I. | ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ adjective
1. : being number 73 in a countable series
the seventy-third day
— see number table
2. : being one of 73 equal parts into which something is divisible
a seventy-third share of the money
II. noun
1. : number 73 in a countable series
2. : the quotient of a unit divided by 73 : one of 73 equal parts of something
one seventy-third of the total