1. (a.) Nine times ten; eighty-nine and one more; as, ninety men.

2. (n.) The sum of nine times ten; the number greater by a unit than eighty-nine; ninety units or objects.

3. (n.) A symbol representing ninety units, as 90 or xc.

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