Sper-mĭd'ĭ-ŭm, n.
n.; pl. SPER-MĬD'Ĭ-Ā. [From Gr. σπέρμα, seed.] (Bot.) A small, dry, indehiscent pericarp, containing a simple, free seed; an achenium. [See Illust. of Achenium.]
n.; pl. SPER-MĬD'Ĭ-Ā. [From Gr. σπέρμα, seed.] (Bot.) A small, dry, indehiscent pericarp, containing a simple, free seed; an achenium. [See Illust. of Achenium.]