'Ischion' definitions:

Definition of 'Ischion'

From: GCIDE
  • 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. (Zool.) One of the pleur[ae] of insects. [1913 Webster]