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Longman Dictionary of Contemporary English
▪ But how does a gecko not get bogged down?
▪ But the only thing there was a fragile gecko, which clung splay-footed to the wall and watched me with cloudy eyes.
▪ He looks up at the ceiling, which a gecko is slowly traversing.
▪ How to reverse-engineer gecko feet into something useful?
▪ She was about to grab it when a giant gecko sprang in a flash from the eaves and gobbled it up.
▪ Simple suction is out, because gecko feet work perfectly, even in a vacuum.
▪ That leaves old-fashioned glue: except that gecko feet have no suitable glue-secreting glands.
▪ They subsisted, from all appearances, on roots and insects; a live gecko made a fine repast.
The Collaborative International Dictionary

Gecko \Geck"o\ (g[e^]k"[-o]), n.; pl. Geckoes (g[e^]k"[=o]z). [Cf. F. & G. gecko; -- so called from the sound which the animal utters.] (Zo["o]l.) Any lizard of the family Geckonid[ae]. The geckoes are small, carnivorous, mostly nocturnal animals with large eyes and vertical, elliptical pupils. Their toes are generally expanded, and furnished with adhesive disks, by which they can run over walls and ceilings. They are numerous in warm countries, and a few species are found in Europe and the United States. See Wall gecko, Fanfoot.

Douglas Harper's Etymology Dictionary

1774, from Malay gekoq, said to be imitative of its cry. Earlier forms were chacco (1711), jackoa (1727).


n. Any lizard of the family Gekkonidae. They are small, carnivorous, mostly nocturnal animals with large eyes and adhesive toes enabling them to climb on vertical surfaces.

  1. n. any of various small chiefly tropical and usually nocturnal insectivorous terrestrial lizards typically with immovable eyelids; completely harmless

  2. [also: geckoes (pl)]


Geckos are lizards belonging to the infraorder Gekkota, found in warm climates throughout the world. They range from 1.6 to 60 cm (0.64 to 24 inches). Most geckos cannot blink, but they often lick their eyes to keep them clean and moist. They have a fixed lens within each iris that enlarges in darkness to let in more light.

Geckos are unique among lizards in their vocalizations. They use chirping sounds in social interactions with other geckos. They are the most species-rich group of lizards, with about 1,500 different species worldwide. The New Latin gekko and English "gecko" stem from the Indonesian- Malay gēkoq, which is imitative of the sound the animals make.

All geckos, excluding the Eublepharidae family, lack eyelids and instead have a transparent membrane, which they lick to clean. Nocturnal species have an excellent night vision; their color vision is 350 times more sensitive than human color vision. The nocturnal geckos evolved from diurnal species which had lost the eye rods. The gecko eye therefore modified its cones that increased in size into different types both single and double. Three different photopigments have been retained and are sensitive to UV, blue, and green. They also use a multifocal optical system that allows them to generate a sharp image for at least two different depths.

Most gecko species can lose their tails in defense, a process called autotomy. Many species are well known for their specialized toe pads that enable them to climb smooth and vertical surfaces, and even cross indoor ceilings with ease. Geckos are well-known to people who live in warm regions of the world, where several species of geckos make their home inside human habitations. These (for example the house gecko) become part of the indoor menagerie and are often welcomed, as they feed on insects, including moths and mosquitoes. Unlike most lizards, geckos are usually nocturnal.

The largest species, the kawekaweau, is only known from a single, stuffed specimen found in the basement of a museum in Marseille, France. This gecko was 60 cm (24 in) long and it was likely endemic to New Zealand, where it lived in native forests. It was probably wiped out along with much of the native fauna of these islands in the late 19th century, when new invasive species such as rats and stoats were introduced to the country during European colonization. The smallest gecko, the Jaragua sphaero, is a mere 1.6 cm long and was discovered in 2001 on a small island off the coast of the Dominican Republic.

Gecko (disambiguation)

A gecko is a type of lizard of the taxonomic family Gekkonidae.

Gecko may also refer to:

Gecko (song)

"Gecko" is a song by Dutch DJ and producer Oliver Heldens. It was released worldwide as a digital download on Beatport on 30 December 2013. It received a mainstream release as a digital download on 13 January 2014 in the Netherlands. The song has charted in Belgium and the Netherlands. It was written and produced by Oliver Heldens.

Gecko (software)

Gecko is a web browser engine used in many applications developed by Mozilla Foundation and the Mozilla Corporation (notably the Firefox web browser including its mobile version other than iOS devices, and their e-mail client Thunderbird), as well as in many other open source software projects. Gecko is free and open-source software subject to the terms of the Mozilla Public License version 2.

It is designed to support open Internet standards, and is used by different applications to display web pages and, in some cases, an application's user interface itself (by rendering XUL). Gecko offers a rich programming API that makes it suitable for a wide variety of roles in Internet-enabled applications, such as web browsers, content presentation, and client/server.

Gecko is written in C++ and is cross-platform, and runs on various operating systems including BSDs, Linux, OS X, Solaris, OS/2, AIX, OpenVMS, and Microsoft Windows. Its development is now overseen by the Mozilla Foundation.

Gecko (theatre company)

Gecko is an award-winning and internationally-acclaimed physical theatre company, led by Artistic Director Amit Lahav.

A Gecko show is visual, visceral, ambitious theatre crafted to inspire, move and entertain. Gecko strives to make their work wide open to interpretation and put their audience at the heart of the narrative.

Amit has created an organic devising process that oscillates between intense periods of experimentation, making brave leaps, learning and failing and including choreography, writing, storyboarding and reflection. Every stage includes sonic and technical development alongside the choreography.

With an expanding ensemble of international performers and makers, Gecko works across diverse age groups, nationalities and forms. The company tours nationally and internationally and continues to develop strong partnerships around the world.

Beyond the stage, Gecko aspires to open the doors on their process via every possible avenue, be it digital, in schools or through one-to-one relationships with their audience.

Usage examples of "gecko".

There was Gecko, who lived in a little garret close by in the Impasse des Ramoneurs, and who was second violin in the orchestra of the Gymnase, and shared his humble earnings with his master, to whom, indeed, he owed his great talent, not yet revealed to the world.

Anatole, where much was forgiven him for the sake of his music, especially when he came with Gecko and they made music together.

He played at three grand concerts with Gecko, and had a well-deserved success.

Svengali and Gecko came, and the table had to be laid and decorated anew, for it was supper-time.

Svengali and Gecko made such lovely music that everybody was sobered and athirst again, and the punchbowl, wreathed with holly and mistletoe, was placed in the middle of the table, and clean glasses set all round it.

But little Gecko often came with his violin and made lovely music, and that seemed to do Little Billee more good than anything else.

I suppose he and Gecko had been playing somewhere, for Gecko had his fiddle.

The thought of Gecko troubled her most, and she showed much anxiety as to what might befall him.

Major Gries muttered under his breath while he flipped through an unclassified white paper about synthetic gecko skin.

He chuckled again and spent the next few minutes drawing a diagram of the gecko setae and explaining the van der Waals attraction.

They made little gecko hairs that measure about two microns in height and about a tenth that in diameter.

They made tape that was covered with this gecko hair with a mold created by a lithographic process.

And the most wonderful part is that a piece of tape one centimeter square holds around a hunderd million of these little artificial gecko setae and can actually support a weight of one kilogram.

The little gecko hairs get crushed or dirty or something and the material stops sticking to things.

And the most wonderful part is that a piece of tape one centimeter square holds around a hundred million of these little artificial gecko setae and can actually support a weight of one kilogram.