The Collaborative International Dictionary of English v.0.48:

Five \Five\ (f[imac]v), n.
   1. The number next greater than four, and less than six; five
      units or objects.
      [1913 Webster]

            Five of them were wise, and five were foolish.
                                                  --Matt. xxv.
                                                  2.
      [1913 Webster]

   2. A symbol representing this number, as 5, or V.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Five \Five\ (f[imac]v), a. [OE. fif, five, AS. f[imac]f,
   f[imac]fe; akin to D. vijf, OS. f[imac]f, OHG. finf, funf, G.
   f["u]nf, Icel. fimm, Sw. & Sw. Dan. fem, Goth. fimf, Lith.
   penki, W. pump, OIr. c['o]ic, L. quinque, Gr. pe`nte, [AE]ol.
   pe`mpe, Skr. pa[~n]can. [root]303. Cf. Fifth, Cinque,
   Pentagon, Punch the drink, Quinary.]
   Four and one added; one more than four.
   [1913 Webster]

   Five nations (Ethnol.), a confederacy of the Huron-Iroquois
      Indians, consisting of five tribes: Mohawks, Onondagas,
      Cayugas, Oneidas, and Senecas. They inhabited the region
      which is now the State of new York.
      [1913 Webster]

WordNet (r) 3.0 (2006):

five
    adj 1: being one more than four [syn: five, 5, v]
    n 1: the cardinal number that is the sum of four and one [syn:
         five, 5, V, cinque, quint, quintet, fivesome,
         quintuplet, pentad, fin, Phoebe, Little Phoebe]
    2: a team that plays basketball [syn: basketball team, five]
    3: a playing card or a domino or a die whose upward face shows
       five pips [syn: five-spot, five]

Moby Thesaurus II by Grady Ward, 1.0:

19 Moby Thesaurus words for "five":
   cast, company, complement, crew, eight, eleven, first string,
   first team, nine, platoon, reserves, rowing crew, second string,
   second team, squad, string, team, third string, varsity