spermatozoid

noun

A flagellated male gamete produced by an antheridium, found in certain algae, seedless plants, and gymnosperms.

noun

A spermatozoon.

noun

See spermatozooid.

noun

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 spermatozoön. In plants the more usual term is antherozoid.

noun

A motile, ciliated male gamete produced in the antheridium of an alga, fern or gymnosperm

noun

a motile male gamete of a plant such as an alga or fern or gymnosperm