coccygeus

noun
coc·cyg·e·us | \käk-ˈsij-ē-əs \
plural coccygei\-jē-ˌī \

Medical Definition of coccygeus 

: a muscle arising from the ischium and sacrospinous ligament and inserted into the coccyx and sacrum

called also coccygeus muscle, ischiococcygeus

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