Definitions of ischium

  1. one of the three sections of the hipbone; situated below the ilium Scrapingweb Dictionary DB
  2. The ventral and posterior of the three principal bones composing either half of the pelvis; seat bone; the huckle bone. Webster Dictionary DB
  3. One of the pleurae of insects. Webster Dictionary DB
  4. The ventral and posterior bone of each half of the pelvic girdle of Mammals; an ischiopodite. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.

Usage examples for ischium

  1. Fracture of the ischium alone is rare. – Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. by Alexander Miles Alexis Thomson
  2. The furculum, or merry- thought, which is entire, marks the fore part of the trunk; the ischium scapula, and most of the wing and leg bones are preserved, and there are impressions of the quill feathers and of down on the body. – The Antiquity of Man by Charles Lyell