Definition from Wiktionary, the free dictionary
|< 50th||51st||52nd >|
| Ordinal : fifty-first
Cardinal : fifty-one
- (ordinal) The ordinal form of the number fifty-one, describing a person or thing in position number 51 of a sequence.
- The answer appears on the fifty-first page of the book.
- She finished fifty-first in the race.
English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.
- 51st, 51st
fifty-first (plural fifty-firsts)