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n. pl. is·chi·a (-kē-ə)
The lowest of the three major bones that constitute each half of the pelvis.
[Latin, hip joint, from Greek iskhion.]
is′chi·al (-əl) adj.
n, pl -chia (-kɪə)
(Anatomy) one of the three sections of the hipbone, situated below the ilium
[C17: from Latin: hip joint, from Greek iskhion]
ˈischial, ˌischiˈadic, ˌischiˈatic adj
is•chi•um(ˈɪs ki əm)
n., pl. -chi•a (-ki ə)
1. the backward-facing lower bone of each half of the vertebrate pelvis; the lower portion of either innominate bone in humans.
2. either of the bones on which the body rests when sitting.
[1640–50; < Latin < Greek ischíon hip joint]
is`chi•ad′ic, is`chi•at′ic, is′chi•al, adj.
The lowest or rearmost of the three bones that fuse together to form each of the hipbones in many vertebrate animals. See more at skeleton.
The bone forming the lower, rear part of a hip bone: the part that you sit on.
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|Noun||1.||ischium - one of the three sections of the hipbone; situated below the ilium|
articulatio coxae, coxa, hip joint, hip - the ball-and-socket joint between the head of the femur and the acetabulum