[ per-uh-nee-uh s ]
/ ˌpɛr əˈni əs /

noun, plural per·o·ne·i [per-uh-nee-ahy] /ˌpɛr əˈni aɪ/. Anatomy.

any of several muscles on the outer side of the leg, the action of which assists in extending the foot and in turning it outward.

Origin of peroneus

1695–1705; < New Latin: literally, of the fibula, equivalent to peronē the fibula (see peroneal) + -us -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for peronei