plu·ral /ˈplʊrəl/
  複數(a.)複數的,兩個以上的,複性的
  Plu·ral a.  Relating to, or containing, more than one; designating two or more; as, a plural word.
     Plural faith, which is too much by one.   --Shak.
  Plural number Gram., the number which designates more than one. See Number, n., 8.
  Plu·ral, n. Gram. The plural number; that form of a word which expresses or denotes more than one; a word in the plural form.
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  plural
       adj : grammatical number category referring to two or more items
             or units [ant: singular]
       n : the form of a word that is used to denote more than one
           [syn: plural form] [ant: singular]