Bible Dictionaries
Dioecia

Webster's Dictionary

(1):

(n. pl.) A subclass of gastropod mollusks in which the sexes are separate. It includes most of the large marine species, like the conchs, cones, and cowries.

(2):

(n. pl.) A Linnaean class of plants having the stamens and pistils on different plants.

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