I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : being number 61 in a countable series
the sixty-first day
— see number table
2. : being one of 61 equal parts into which something is divisible
a sixty-first share of the money
II. noun
1. : number 61 in a countable series
2. : the quotient of a unit divided by 61 : one of 61 equal parts of something
one sixty-first of the total