n.
Pronunciation: ' twen-t ē , ' tw ə n-
Function: noun
Inflected Form: plural twenties
Etymology: Middle English, from twenty, adjective, from Old English tw ē ntig, noun, group of 20, from tw ē n- (akin to Old English tw ā two) + -tig group of 10; akin to Old English t ī en ten ― more at TWO , TEN
Date: 13th century
1 ― see NUMBER table
2 plural : the numbers 20 to 29 specifically : the years 20 to 29 in a lifetime or century
3 : a 20-dollar bill
– twen · ti · eth \ -t ē - ə th \ adjective or noun
– twenty adjective
– twenty pronoun, plural in construction