Wiktionary
eighty-fourth
n. (context fractional English) One of eighty-four equal parts of a whole. num. (context ordinal English) The ordinal form of the number eighty-four, describing a person or thing in position number 84 of a sequence.
Usage examples of "eighty-fourth".
Then on the eighty-fourth day, they took the two figs and hung them in the cave, together with the leaves thereof, to be to them a sign and a blessing from God.