Find the word definition

The Collaborative International Dictionary
Ephippium

Ephippium \E*phip"pi*um\, n. [L., saddle cloth, fr. Gr. ?; 'epi` on + "i`ppos horse.]

  1. (Anat.) A depression in the sphenoid bone; the pituitary fossa.

  2. (Zo["o]l.) A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera.

Wiktionary
ephippium

n. 1 (context anatomy English) A depression in the sphenoid bone; the pituitary fossa. 2 (context zoology English) A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera.