I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : being number 85 in a countable series
the eighty-fifth day
— see number table
2. : being one of 85 equal parts in which something is divisible
an eighty-fifth share of the money
II. noun
1. : number 85 in a countable series
2. : the quotient of a unit divided by 85 : one of 85 equal parts of something
one eighty-fifth of the total