gluteus maximus

[ mak-suh-muhs ]

noun

, plural glutei max·i·mi [mak, -s, uh, -mahy].

1. the broad, thick, outermost muscle of the buttocks, involved in the rotation and extension of the thigh.
2. Facetious. the buttocks.

Word History and Origins

Origin of gluteus maximus¹

1900–05; < New Latin: largest gluteus

Related Words

• ass
• posterior