phy·lum /ˈfaɪləm/
  門,語系
  phy·lum /ˈfaɪləm/ 名詞
  門
  Phy·lum n.; pl. Phyla
  1. Zool. One of the larger divisions of the animal kingdom; a branch; a grand division.
  2. Biol. A series of animals or plants genetically connected.
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  phylum
       n 1: (linguistics) a large group of languages that are
            historically related
       2: (biology) the major taxonomic group of animals and plants;
          contains classes
       [also: phyla (pl)]