a. (Bot.) Belonging to the class Polyandria; having many stamens, or any number above twenty, inserted in the receptacle. [ 1913 Webster ]

n. [ Poly- + Gr. 'anh`r, 'andro`s, man, male: cf. F. polyandrie. ] The possession by a woman of more than one husband at the same time; -- contrasted with monandry. [ 1913 Webster ]

☞ In law, this falls under the head of polygamy. [ 1913 Webster ]