eighty(n = noun.quantity) 80, fourscore, lxxx - the cardinal number that is the product of ten and eight;
is a kind of large integer
eighty(s = adj.all) 80, fourscore, lxxx - being ten more than seventy;
Eight times ten; fourscore. [1913 Webster]
1. The sum of eight times ten; eighty units or objects. [1913 Webster]
2. A symbol representing eighty units, or ten eight times repeated, as 80 or lxxx. [1913 Webster]
eighty, n. & adj.
--n. (pl. -ies)
1 the product of eight and ten.
2 a symbol for this (80, lxxx, LXXX).
3 (in pl.) the numbers from
80 to 89, esp. the years of a century or of a person's life.
--adj. that amount to eighty.
Idiom:
eighty-first, -second , etc. the ordinal numbers between eightieth and ninetieth. eighty-one, -two , etc. the cardinal numbers between eighty and ninety.
Derivative:
eightieth adj. & n. eightyfold adj. & adv.
Etymology:
OE -eahtatig (as EIGHT, -TY(2))
N five, five, cinque, quint, quincux, six, half-a- dozen, half dozen, seven, eight, nine, three times three, dicker, ten, decade, eleven, twelve, dozen, thirteen, long dozen, baker's dozen, quintuplet, twenty, score, twenty-four, four and twenty, two dozen, twenty-five, five and twenty, quarter of a hundred, forty, two score, fifty, half a hundred, sixty, three score, seventy, three score and ten, eighty, four score, ninety, fourscore and ten, sestiad, hundred, centenary, hecatomb, century, hundredweight, cwt, one hundred and forty-four, gross, thousand, chiliad, millennium, thousand years, grand, myriad, ten thousand, ban, man, ten thousand years, banzai, lac, one hundred thousand, plum, million, thousand million, milliard, billion, trillion, five, quinary, quintuple, fifth, senary, sextuple, sixth, seventh, septuple, octuple, eighth, ninefold, ninth, tenfold, decimal, denary, decuple, tenth, eleventh, duodenary, duodenal, twelfth, in one's 'teens, thirteenth, vicesimal, vigesimal, twentieth, twenty-fourth, vicenary, vicennial, centuple, centuplicate, centennial, centenary, centurial, secular, hundredth, thousandth.