the lowermost of the three sections of the innominate bone; bone on which the body rests when sitting
Origin of ischiumClassical Latin from Classical Greek ischion, hip, hip joint
The lowest of the three major bones that constitute each half of the pelvis.
Origin of ischiumLatin hip joint from Greek iskhion
- (anatomy) The lowest of the three bones that make up each side of the pelvis. [from 17th c.]
From Latin ischium, from Ancient Greek ἰσχίον (iskhion, “hip joint”).