E-phĭp'pi-ŭm, n.
n. [Gr. ἐφίππιον, a saddle, from ἐπί, on, and ἵππος, horse.]
- (Anat.) A saddle-shaped depression of the sphenoid bone. Dunglison.
- (Zoöl.) A saddle-shaped cavity in a crustacean of the genus Daphnia. Dana.
n. [Gr. ἐφίππιον, a saddle, from ἐπί, on, and ἵππος, horse.]