forty

Meanings

1. 1
   num

   The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.

   'Tis forty years this very day, Since you and I, old girl, were married.

2. 2
   noun

   A bottle (of beer) containing forty fluid ounces.

   It's on, wrap my lips around the forty / And when it comes to getting another stogie […] Grab your forty, let's get keyed

3. 3
   adj

   being ten more than thirty

4. 4
   noun

   the cardinal number that is the product of ten and four

5. 5
   adj

   Resembling or characteristic of a fort.

Etymology

From Middle English fourti, feortiȝ, from Old English fēowertiġ, ultimately from Proto-Germanic *fedwōr tigiwiz (“forty”). By surface analysis, four + -ty.