(n. pl.) The years of one's age having the termination -teen, beginning with thirteen and ending with nineteen; as, a girl in her teens.

L Sexagesima awkward age boxcar boxcars 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 teen age thirteen thirty-two thirty-twomo threescore threescore and ten twelve twelvemo twenty twenty-five twenty-four twenty-fourmo two dozen two weeks twoscore