ischium
the lower portion of either innominate bone.
either of the bones on which the body rests when sitting.
Origin of ischium
1Other words from ischium
- is·chi·ad·ic [is-kee-ad-ik], /ˌɪs kiˈæd ɪk/, is·chi·at·ic [is-kee-at-ik], /ˌɪs kiˈæt ɪk/, is·chi·al, adjective
Words Nearby ischium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ischium in a sentence
In the pelvic girdle the ilium corresponds to the scapula, the ischium to the coracoid, the pubis to the clavicle.
Form and Function | E. S. (Edward Stuart) RussellThey are unknown in any other existing animals, unless present in Crocodiles, in which ischium and pubis are always undivided.
Dragons of the Air | H. G. SeeleyThere is some difference in the pubis and ischium which is more conspicuous in form than in direction of the bones.
Dragons of the Air | H. G. SeeleyThe pubis is slender, and the ischium is elevated and robust.
Neotropical Hylid Frogs, Genus Smilisca | William E. DuellmanThe body of the ischium in this case was fractured and a rent in the bladder was caused by a sharp projecting piece of bone.
Lameness of the Horse | John Victor Lacroix
British Dictionary definitions for ischium
/ (ˈɪskɪəm) /
one of the three sections of the hipbone, situated below the ilium
Origin of ischium
1Derived forms of ischium
- ischial, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for ischium
[ ĭs′kē-əm ]
The lowest of the three major bones that constitute each half of the pelvis, distinct at birth but later becoming fused with the ilium and pubis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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