spermatozoon

spermatozoon
    n 1: the male reproductive cell; the male gamete; "a sperm is
         mostly a nucleus surrounded by little other cellular
         material" [syn: {sperm}, {sperm cell}, {spermatozoon},
         {spermatozoan}]
    

Spermatozoon \Sper`ma*to*zo"on\, n.; pl. {Spermatozoa}. [NL.,
   fr. Gr. ???, sperm + zo^,on an animal.] (Biol.)
   Same as {Spermatozoid}.
   [1913 Webster]
    

Spermatozoid \Sper`ma*to*zo"id\, n. [Spermatozoon + Gr. e'i^dos
   form.] (Biol.)
   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 {spermatozoon}. In
   plants the more usual term is {antherozoid}.
   [1913 Webster]
    

33 Moby Thesaurus words for "spermatozoon":
      Anlage, androcyte, antheridium, antherozoid, bud, egg, embryo,
      germ, germen, loins, male gamete, milt, nucleus, ovum, pollen,
      protein, rudiment, scum, seed, semen, seminal fluid, sperm,
      sperm cell, spermagonium, spermatic fluid, spermatid,
      spermatiophore, spermatium, spermatocyte, spermatogonium,
      spermatophore, spermatozoa, spermatozoid