6

from WordNet (r) 3.0 (2006)

6
    adj 1: denoting a quantity consisting of six items or units
           [syn: {six}, {6}, {vi}, {half dozen}, {half-dozen}]
    n 1: the cardinal number that is the sum of five and one [syn:
         {six}, {6}, {VI}, {sixer}, {sise}, {Captain Hicks}, {half a
         dozen}, {sextet}, {sestet}, {sextuplet}, {hexad}]

from The Collaborative International Dictionary of English v.0.48

6 \6\ adj.
   1. one more than five; denoting a quantity consisting of six
      items or units; -- representing the number six as an
      Arabic numeral.

   Syn: six, vi, half dozen, half a dozen
        [WordNet 1.5 +PJC]

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