I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
: being one more than 83 in number
eighty-four years
— see number table
II. pronoun, plural in construction
: 84 countable persons or things not specified but under consideration and being enumerated
eighty-four are here
eighty-four were found
III. noun
1. : four and 80 : three times 28 : four times 21 : six times 14 : seven times 12 : seven dozen
2.
a. : 84 units or objects
a total of eighty-four
b. : a group or set of 84
3. : the numerable quantity symbolized by the arabic numerals 84
4. : the 84th in a set or series