ˈuncous,a.rare. [f. L. unc-us hook, or unc-usadj., hooked.] Hooked, curved. 1658Sir T. Browne Gard. Cyrus iii. 124 The calicular shafts [of the teasel] and uncous disposure of their extremities.a1682― Pseud. Ep. (1686) v. i. 191 The uncous and pointed extremity of their Bill.