Emily Dickinson Lexicon

POL'Y-GAM, or POL-Y-GAM'I-AN, n. [Gr. πολυς, many, and γαμος, marriage.]

In botany, a plant which bears hermaphrodite flowers, with male or female flowers, or both, not inclosed in the same common calyx, but scattered either on the same plant, or on two or three distinct individuals, in different flowers. – Martyn.