Definition of ninety-first
(Entry 1 of 2)
1
: being number 91 in a countable series
the ninety-first day
— see Table of Numbers
2
: being one of 91 equal parts into which something is divisible
a ninety-first share of money
ninety-first
noun
\ " \
Definition of ninety-first (Entry 2 of 2)
1
: number 91 in a countable series
2
: the quotient of a unit divided by 91 : one of 91 equal parts of something
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“Ninety-first.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ninety-first. Accessed 20 Jan. 2022.
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