I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : being number 84 in a countable series
the eighty-fourth day
— see number table
2. : being one of 84 equal parts into which something is divisible
an eighty-fourth share of the money
II. noun
1. : number 84 in a countable series
2. : the quotient of a unit divided by 84 : one of 84 equal parts of something
one eighty-fourth of the total