D defs.my
Entry 2 senses Webster, 1913

Ischion

· Is·chi·on · IPA
01 n. The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.
  1. 1.
    The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.(Anat.)
  2. 2.
    One of the pleuræ of insects.(Zool.)