ischium Meaning, Definition & Usage

  1. noun one of the three sections of the hipbone; situated below the ilium
    ischial bone; os ischii.

WordNet

Is"chi*on, Is"chi*um noun (Also<
  • Ischion
  • Ischium
)
Etymology
L., Gr. .
Definitions
  1. (Anat.) The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone.
  2. (Zoöl.) One of the pleuræ of insects.

Webster 1913