‖n. pl. [ NL., fr. Gr. mo`nos single + &unr_; house. ] (Bot.) A Linnaean class of plants, whose stamens and pistils are in distinct flowers in the same plant. [ 1913 Webster ]

a. 1. (Bot.) Of or pertaining to the Monoecia; monoecious. -- n. One of the Monoecia. [ 1913 Webster ]

2. (Zool.) A monoecious animal, as certain mollusks. [ 1913 Webster ]