Definition of eighty-first
(Entry 1 of 2)
1 : being number 81 in a countable series
the eighty-first day — see Table of Numbers
2 : being one of 81 equal parts into which something is divisible
an eighty-first share of the money
eighty-first
noun\ " \
Definition of eighty-first (Entry 2 of 2)
1 : number 81 in a countable series
2 : the quotient of a unit divided by 81 : one of 81 equal parts of something
one eighty-first of the total
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