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Longman Dictionary of Contemporary English
callus
noun
EXAMPLES FROM OTHER ENTRIES
calluses on her feet
EXAMPLES FROM CORPUS
▪ A slight callus marked Gomez's right index finger.
▪ According to reports from Indiana, Booth had a painful callus on her foot.
▪ For the union to be successful the grafted vine forms a protective callus around the wound while the two plants seek compatibility.
▪ Hours of daily practice on the firing range had formed the callus.
▪ Treat calluses by rubbing with a callus file, a pumice stone, or a hard-skin remover.
▪ Trent imagined him holding a golf club but the callus didn't fit.
The Collaborative International Dictionary
Callus

Callus \Cal"lus\ (k[a^]l"l[u^]s), n. [L. See Callous.]

  1. (Med.)

    1. Same as Callosity.

    2. The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistence, but is ultimately converted into true bone and unites the fragments into a single piece.

  2. (Hort.) The new formation over the end of a cutting, before it puts out rootlets.

Douglas Harper's Etymology Dictionary
callus

"hardened skin," 1560s, from Latin callus, variant of callum "hard skin," related to callere "be hard," from PIE root *kal- (3) "hard" (cognates: Sanskrit kalika "bud," Old Irish calath "hard," Old Church Slavonic kaliti "to cool, harden").

Wiktionary
callus

n. 1 A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. 2 The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece. 3 (context botany English) The new formation over the end of a cutting, before it puts out rootlets. vb. (context intransitive English) To form such hardened tissue

WordNet
callus
  1. n. an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) [syn: callosity]

  2. bony tissue formed during the healing of a fractured bone

  3. (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid

  4. v. cause a callus to form on; "The long march had callused his feet"

  5. form a callus or calluses; "His foot callused"

  6. [also: calli (pl)]

Wikipedia
Callús

Callús is a municipality in the province of Barcelona and autonomous community of Catalonia, Spain. The municipality covers an area of and as of 2011 had a population of 1940 people.

Callus (cell biology)

Plant callus (plural calluses or calli) is a mass of unorganized parenchyma cells derived from plant tissue (explants) for use in biological research and biotechnology. In plant biology, callus cells are those cells that cover a plant wound. Callus formation is induced from plant tissues after surface sterilization and plating onto in vitro tissue culture medium. Plant growth regulators, such as auxins, cytokinins, and gibberellins, are supplemented into the medium to initiate callus formation or somatic embryogenesis. Callus initiation has been described for all major groups of land plants.

Callus (disambiguation)

Callus means a hardening of a certain object or substance. It can refer to:

  • Callus, an area of toughened skin
  • Fibrocartilage callus, the temporary new bony tissue that forms at the ends of a fractured bone
  • Callus (botany), a fleshy lump of tissue on the labellum (or lip) of orchid flowers
  • Callus (cell biology), a mass of unorganized cells
  • Callus (emulator), an emulator for Capcom arcade games made by Bloodlust Software
  • Callus (mollusc), a thickened layer of shell material
Callus (mollusc)

A callus is an anatomical feature that exists in some mollusk shells, a thickened area of shell material that can partly or completely cover the umbilicus, or can be located as a coating on the body whorl near the aperture of the shell (i.e. a parietal callus or columellar callus).

A callus exists in the shells of various species of gastropods (snails) and also in the shells of several species of Nautilus, a cephalopod. A callum is an anatomical feature of some mature bivalve shells of species in the family Pholadidae, the piddocks. The callum is an area of shell material that fills the gap between the two valves.

Usage examples of "callus".

Callused and scarred, they told the story of broncs rode and a life lived.

Still Calli had never gotten over her primitive terror of the creatures that lived so close at hand.

It took a moment for Calli and Solte to prepare themselves to leave the coach.

They were dressed in their traditional clothes, with Calli wearing an elegant linen dress that covered her modestly to the tips of her toes, while Solte sported a simple cotton frock and apron.

Handsome still, Jala weathered his older years with a dignity that Calli found inspiring.

But even had she not been the Princess of Arath, Calli knew she would never have been allowed to be a healer.

I know this is not the life you want, Calli, but few of us have the lives we want.

But after some time had passed and nothing horrible happened she began to relax a little, wanting to believe that, as Calli had suggested, most of the Shadrani horror stories had been invented or at least exaggerated.

It was Calli who understood first, the realization coming seconds after she saw the first and then the second guard fall.

As Calli stood still, shock rooting her to the spot, another creature much like this one, though not as tall, came out of nowhere to join her companion.

They were facing her, speaking to someone, who from the height and breadth of his shoulders, Calli had to assume was male, although the length of the shiny black hair that fell over his shoulders would have branded him female in Soris.

As terrified as she was, Calli was comforted that it was she and not Solte who was in this position.

Drawing in a deep breath, Calli drew up her knees and climbed to her feet.

Briefly, Calli glimpsed for the first time the intricately carved silver amulet that hung around his neck.

They did nothing to hide what Calli thought of as their unnatural relationship.