Callosity n. (pl. callosities) A hard or thickened spot or protuberance; a hardening and thickening of the skin or bark of a part, eps. as a result of continued pressure or friction.
... frankness of callosity, and could recount his evil deeds and confess his vices with hilarity and detail, and was prompt to take his part in a lark, and was a remarkably hard hitter, and never shrank from the brunt of the row; and with these fine ... — Wylder's Hand • J. Sheridan Le Fanu
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