Pronunciation: (per"u-nē'us), [key]
—pl. -ne•iPronunciation: (-nē'ī). [key] Anat.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.