XV

from WordNet (r) 3.0 (2006)

xv
    adj 1: being one more than fourteen [syn: {fifteen}, {15}, {xv}]
    n 1: the cardinal number that is the sum of fourteen and one
         [syn: {fifteen}, {15}, {XV}]

from The Collaborative International Dictionary of English v.0.48

xv \xv\, adj.
   The Roman number symbolizing the value fifteen.

   Syn: fifteen, 15.
        [WordNet 1.5]

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