Obs. [L. callum.] = CALLUS.
c. 1420. Pallad. on Husb., IV. 599. Callum that in Elmes leves borne is.
a. 1640. Jackson, Creed, X. xlii. Wks. IX. 499. Frequent calcitration against the edge of this fiery sword breeds a callum or complete hardness.
1646. Fuller, Wounded Consc. (1841), 281. That callum, schirrus, or incrustation, drawn over it [the conscience] by nature, and hardened by custom in sin.
