80

from WordNet (r) 3.0 (2006)

80
    adj 1: being ten more than seventy [syn: {eighty}, {80}, {lxxx},
           {fourscore}]
    n 1: the cardinal number that is the product of ten and eight
         [syn: {eighty}, {80}, {LXXX}, {fourscore}]

from The Collaborative International Dictionary of English v.0.48

80 \80\ adj.
   1. one more than seventy-nine and one less than eighty-one;
      denoting a quantity consisting of eighty items or units;
      -- representing the number eighty as Arabic numerals

   Syn: eighty, lxxx, fourscore
        [WordNet 1.5 +PJC]