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