sper·ma·to·zo·an /(ˌ)spɝˌmætəˈzoən, ˌspɚ/
  sper·ma·to·zo·an /(ˌ)spɝˌmætəˈzoən, ˌspɝmət-/ 名詞
  spermatozoan
       n : the male reproductive cell; the male gamete; "a sperm is
           mostly a nucleus surrounded by little other cellular
           material" [syn: sperm, sperm cell, spermatozoon]