ephippium Meaning, Definition & Usage

E*phip"pi*um noun
Etymology
L., saddle cloth, fr. Gr. on + horse.
Definitions
  1. (Anat.) A depression in the sphenoid bone; the pituitary fossa.
  2. (Zoöl.) A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera.

Webster 1913