Sperm"ist (?), n. (Biol.) A believer in the doctrine, formerly current, of encasement in the male (see Encasement), in which the seminal thread, or spermatozoid, was considered as the real animal germ, the head being the true animal head and the tail the body.

Sperm"ist (?), n. (Biol.) A believer in the doctrine, formerly current, of encasement in the male (see Encasement), in which the seminal thread, or spermatozoid, was considered as the real animal germ, the head being the true animal head and the tail the body.