Entry 3 senses · 2 variants Webster, 1913

Forty

/(fôr"ty̆)/ · For·ty · IPA /[ˈfoːtɪj]/

01 a. Four times ten; thirty-nine and one more.

1.
Four times ten; thirty-nine and one more.

02 n. The sum of four tens; forty units or objects.

pl. Forties ((-tĭz))

1.
The sum of four tens; forty units or objects.
2.
A symbol expressing forty units; as, 40, or xl.