spermatozoid
nounA flagellated male gamete produced by an antheridium, found in certain algae, seedless plants, and gymnosperms.
nounA spermatozoon.
nounSee
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
A
a motile male gamete of a plant such as an alga or fern or gymnosperm