callus

noun

No English definition recorded for this entry.

Pronunciation: /ˈkæləs/

Etymology: Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.

A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
“Sylvanshine had once been on a first date with a Xerox rep who had complex and slightly repulsive patterns of callus on her fingers from playing the banjo semi-professionally”
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.
The new formation over the end of a cutting, before it puts out rootlets.
In orchids, a fleshy outgrowth from the labellum.
In grasses, a hardened extension from the base of a floret, which may or may not elongate and is often covered in hairs or bristles.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).

Etymology: Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.