Spermatozoid
Pronunciation : Sper`ma*to*zo"id
Part of Speech : n.
Etymology : [Spermatozo?n + Gr. (Biol.)
Definition : Defn: The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail. Called also spermatozo?n. In plants the more usual term is antherozoid.
Source : Webster's Unabridged Dictionary, 1913