thirteen

from WordNet (r) 3.0 (2006)

thirteen
    adj 1: being one more than twelve [syn: {thirteen}, {13},
           {xiii}]
    n 1: the cardinal number that is the sum of twelve and one [syn:
         {thirteen}, {13}, {XIII}, {baker's dozen}, {long dozen}]

from The Collaborative International Dictionary of English v.0.48

Thirteen \Thir"teen`\ (th[~e]r"t[=e]n`), a. [OE. threttene, AS.
   [thorn]re['o]t[=e]ne, [thorn]re['o]tyne. See {Three}, and
   {Ten}, and cf. {Thirty}.]
   One more than twelve; ten and three; as, thirteen ounces or
   pounds.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Thirteen \Thir"teen`\, n.
   1. The number greater by one than twelve; the sum of ten and
      three; thirteen units or objects.
      [1913 Webster]

   2. A symbol representing thirteen units, as 13 or xiii.
      [1913 Webster]

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