*yoni*

‖n. [ Gr. &unr_; a zoöphyte, so called from being like the halcyon's nest. ] (Zool.) A genus of fleshy Alcyonaria, its polyps somewhat resembling flowers with eight fringed rays. The term was also formerly used for certain species of sponges. [ 1913 Webster ]

a. [ Gr. &unr_;. ] Of or pertaining to the Amphictyons or their League or Council; as, an Amphictyonic town or state; the Amphictyonic body. W. Smith. [ 1913 Webster ]

n. (Chem.) A bitter principle obtained from the root of the bryony (Bryonia alba and Bryonia dioica). It is a white, or slightly colored, substance, and is emetic and cathartic. [ 1913 Webster ]

a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [ 1913 Webster ]

Embryonic sac or
Embryonic vesicle (Bot.), the vesicle within which the embryo is developed in the ovule; -- sometimes called also amnios sac, and embryonal sac. [ 1913 Webster ]

a. [ Embryo + -ferous. ] (Biol.) Having an embryo. [ 1913 Webster ]

a. [ Embryo + -form. ] (Biol.) Like an embryo in form. [ 1913 Webster ]

a. Halcyon; calm. [ 1913 Webster ]

prop. n. A genus of evergreen or deciduous shrubs or small trees of the U. S. to the Antilles and eastern Asia to Himalaya.
Syn. -- genus Lyonia. [ WordNet 1.5 ]

a. [ Poly- + embryonic. ] (Bot.) Polyembryonate. [ 1913 Webster ]