Bible Dictionaries
Ymnocopa

Webster's Dictionary

(n. pl.) A group of transparent, free-swimming Annelida, having setae only in the cephalic appendages.

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