I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : being number 65 in a countable series
the sixty-fifth day
— see number table
2. : being one of 65 equal parts into which something is divisible
a sixty-fifth share of the money
II. noun
1. : number 65 in a countable series
2. : the quotient of a unit divided by 65 : one of 65 equal parts of something
one sixty-fifth of the total