Definition of "fifty-fourth" in English

adjective

1. The ordinal form of the number fifty-four, describing a person or thing in position number 54 of a sequence.

   • The answer appears on the fifty-fourth page of the book.
   • She finished fifty-fourth in the race.

noun

1. One of fifty-four equal parts of a whole.

   • A fifty-fourth of 1080 is 20.