1. [syn: callosity, callus]
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;
1. cause a callus to form on;
- Example: "The long march had callused his feet"
2. form a callus or calluses;
- Example: "His foot callused"
The Collaborative International Dictionary of English v.0.48:
Callus \Cal"lus\ (k[a^]l"l[u^]s), n. [L. See Callous.]
(a) Same as Callosity.
(b) 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.
WordNet (r) 3.0 (2006):
n 1: an area of skin that is thick or hard from continual
pressure or friction (as the sole of the foot) [syn:
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
v 1: cause a callus to form on; "The long march had callused his
2: form a callus or calluses; "His foot callused"
Moby Thesaurus II by Grady Ward, 1.0:
47 Moby Thesaurus words for "callus":
Philistinism, armor, benign tumor, callosity, callousness, cancer,
carcinoma, corn, cyst, excrescence, flintiness,
formidable defenses, fungosity, fungus, growth, hard heart,
hard shell, hardenedness, hardheartedness, hardness,
hardness of heart, heart of stone, imperviousness, induration,
insensitiveness, insensitivity, intumescence, inuredness,
malignant growth, metastatic tumor, mole, morbid growth, neoplasm,
nevus, nonmalignant tumor, obduracy, obdurateness, outgrowth,
proud flesh, rhinoceros hide, sarcoma, stoniness, thick skin,
tumor, verruca, wart, wen