I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
: being one more than 23 in number
twenty-four years
— see number table
II. pronoun, plural in construction
: 24 countable persons or things not specified but under consideration and being enumerated
twenty-four are here
twenty-four were found
III. noun
1. : four and 20 : twice 12 : 12 times two : three times eight : four times six : two dozen
2.
a. : 24 units or objects
a total of twenty-four
b. : a group or set of 24
3. : the numerable quantity symbolized by the arabic numerals 24
4. : the 24th in a set or series ; especially : an article of clothing of the 24th size
wears a twenty-four
5. twenty-fours plural , archaic : twenty-fourmo