Ischium definition

ĭskē-əm
Frequency:
The lowest of the three major bones that constitute each half of the pelvis.
noun
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The lowest of the three major bones that constitute each half of the pelvis.
noun
2
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The lowermost of the three sections of the innominate bone; bone on which the body rests when sitting.
noun
1
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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.
1
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(anatomy) The lowest of the three bones that make up each side of the pelvis. [from 17th c.]
noun
1
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Other Word Forms

Noun

Singular:
ischium
Plural:
Ischia

Origin of ischium

  • Latin hip joint from Greek iskhion

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin ischium, from Ancient Greek ἰσχίον (iskhion, “hip joint”).

    From Wiktionary