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Longman Dictionary of Contemporary English
▪ Had they stewed up a supper of some giant arachnid for Tundrish?
The Collaborative International Dictionary

Arachnid \A*rach"nid\, n. An arachnidan.
--Huxley. [1913 Webster] ||

Douglas Harper's Etymology Dictionary

"a spider," 1869, from French arachnide (1806) or Modern Latin Arachnida, introduced as name for this class of arthropods 1815 by French biologist Jean Baptiste Pierre Antoine de Monet de Lamarck (1744-1829), from Greek arakhne (fem.) "spider; spider's web," which probably is cognate with Latin aranea "spider, spider's web" (borrowed in Old English as renge "spider"), from aracsna. The Latin word could be a Greek borrowing or both could be from a common root. An earlier noun form was arachnidian (1828).


n. Any of the eight-legged creatures, including spiders and scorpions, of the class ''Arachnida''


n. air-breathing arthropods characterized by simple eyes and four pairs of legs [syn: arachnoid]


Arachnids are a class (Arachnida) of joint-legged invertebrate animals ( arthropods), in the subphylum Chelicerata. All arachnids have eight legs, although the front pair of legs in some species has converted to a sensory function, while in other species, different appendages can grow large enough to take on the appearance of extra pairs of legs. The term is derived from the Greek word (aráchnē), meaning "spider". Spiders are the largest order in the class.

Almost all extant arachnids are terrestrial, living mainly on land. However, some inhabit freshwater environments and, with the exception of the pelagic zone, marine environments as well. They comprise over 100,000 named species, including spiders, scorpions, harvestmen, ticks, mites, and solifuges.

Arachnid (disambiguation)

An arachnid is a member of a class of joint-legged invertebrate animals.

Arachnid may also refer to:

  • Arachnid Solitaire or Spider, a solitaire card game
  • Arachnid or Bugs (Starship Troopers), a member of a fictional alien race in Starship Troopers by Robert A. Heinlein
Arachnid (film)

Arachnid is a 2001 horror film directed by Jack Sholder. In this film, giant killer spiders menace survivors of a plane crash. The film stars Alex Reid, Chris Potter, Rocqueford Allen, Robert Vicencio and José Sancho.

Usage examples of "arachnid".

She held her hand before her face and watched a small red arachnid with overlarge mandibles crawl along her fingers.

She walked toward Danifae and stomped on the red arachnid that Danifae had just released onto the rocks.

As he walked past where Quenthel had been standing, he caught sight of a small red arachnid that looked very similar to that which Quenthel had squashed.

A huge, black, hairy arachnid leaped on her back and sank its fangs into her shoulder, but her mail withstood the attack.

The enchanted steel killed where it struck, slicing arachnid flesh easily, but there were thousands of them.

The power of the spell flattened the enormous arachnid, opened its exoskeleton, and a host of smaller spiders leaped upon it to feed.

A ripple ran through the arachnid host gathered at the far edge of the plains, an anticipatory shuffling.

Those glistening, dripping fangs were an inch from his legs when he squeezed the trigger, the rifle recoiling into his shoulder as the heavy slug tore through the arachnid and it stopped dead.

Gardener and Anjemalti bent together over the Arachnid, exploring of this and the other.

And almost fell over the knee-high, eight-legged, steel-shelled Arachnid, its lantern eyes glowing orange.

With that she was gone and the Gardener and Anjemalti bent together over the Arachnid, exploring of this and the other.

Together, they lifted the hatch aside and stood back to let the Arachnid enter the service tunnel.

Chainer was sure no one noticed the arachnid as it scuttled to the edge of the pit and began making a wide arc toward the white-robed mage.

Not even the most radical of the young dremecks would kill an arachnid if it crawled down his neck.

Like some great arachnid of pure force, the demon flames of the destruction swept and washed across the vision, and when it faded, Bright Eyes lay shaken by what he had seen.