Bible Dictionaries
Ephippium

Webster's Dictionary

(1):

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

(2):

(n.) A saddle-shaped cavity to contain the winter eggs, situated on the back of Cladocera.

Bibliography Information
Webster, Noah. Entry for 'Ephippium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/ephippium.html. 1828.