1) Gamete 2) Spermatozoid 1) Spermatozoid 
• (n.) Alt. of Antherozooid
(from the article `plant development`) In these groups the gametophytes develop as free-living and independent plants that ultimately produce the gametes. In general, the male gametes ...
[n] - a motile male gamete of a plant such as an alga or fern or gymnosperm
spermatozoid noun a motile male gamete of a plant such as an alga or fern or gymnosperm
Motile (or independently moving) male gamete produced by algae, bryophytes (mosses and liverworts), pteridophytes (ferns, club mosses, and horsetails), and some gymnosperms (notably the cycads). Antherozoids are formed in an antheridium and, after being released, swim by means of one or more flagella, to the female gametes. Higher plants have nonmo...
the motile male gamete produced in an antheridium.