Found 2 items, similar to ischium.
English → English (WordNet) Definition: ischium ischium n : one of the three sections of the hipbone; situated below the ilium [syn: ischial bone, os ischii] [also: ischia (pl)]
English → English (gcide) Definition: Ischium Ischion \Is"chi*on\, Ischium \Is"chi*um\, n. [L., Gr. 'ischi`on.] 1. (Anat.) The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone. [1913 Webster] 2. (Zo["o]l.) One of the pleur[ae] of insects. [1913 Webster]