Unciform /(ŭn"sĭ*fôrm)/

Un·ci·form

Unciform

a.
  1. Having the shape of a hook; being of a curved or hooked form; hooklike.

Phrases & Compounds
Unciform bone
a bone of the carpus at the bases of the fourth and fifth metacarpals; the hamatum.

Unciform

n.
  1. The unciform bone. See Illust. of Perissodactyla. (Anat.)