Psoas Definition
sōəs
noun
Either of two muscles attached to the lower spinal column, esp. the one that controls certain movements of the thigh.
Webster's New World
The smaller of two muscles that originate in the lower spine. This muscle flexes the lower spine.
American Heritage Medicine
Other Word Forms of Psoas
Noun
Singular:
psoas
Plural:
psoae, psoai, psoiOrigin of Psoas
New Latin from Greek psoa
From American Heritage Dictionary of the English Language, 5th Edition
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