| Thirteen 1. (a.) One more than twelve; ten and three; as, thirteen ounces or pounds. 2. (n.) The number greater by one than twelve; the sum of ten and three; thirteen units or objects. 3. (n.) A symbol representing thirteen units, as 13 or xiii. Thesaurus Entries L, Sexagesima, boxcar, dozen, duodecimo, eighty, eleven, fifteen, fifty, five and twenty, fortnight, forty, four and twenty, fourscore, fourscore and ten, fourteen, half a hundred, long dozen, ninety, nonagenarian, octogenarian, quindecennial, quindecim, quindecima, quindene, score, septuagenarian, seventy, sexagenarian, sexagenary, sexagesimo-quarto, sixteen, sixteenmo, sixty, sixty-four, sixty-fourmo, teens, thirteen, thirty-two, thirty-twomo, threescore, threescore and ten, twelve, twelvemo, twenty, twenty-five, twenty-four, twenty-fourmo, two dozen, two weeks, twoscore |