Wiktionary
n. (context fractional English) One of fifty-one equal parts of a whole. num. (context ordinal English) The ordinal form of the number fifty-one, describing a person or thing in position number 51 of a sequence.
Usage examples of "fifty-first".
But there are many other psalms and passages of psalms only second to the fifty-first Psalm, such as the twenty-second, the thirtyeighth, the sixty-ninth, and the hundred-and-thirtieth.
We are sure we can continue in operation in Puerto Rico, whether it is the fifty-first state or an independent nation.
Genessee Industries, the 'watering hole,' is the fifty-first state.
Logologists established a free hospital and 'psychiatric' training centre on the island in 2046, four years before Puerto Rico became the fifty-first state.
As the fifty-first state, their country would cunningly formalize its special relationship with the United States: full partnership in tomorrow's preeminent politicoeconomic system.
He finally managed to explain what he meant by kissing her in the taxicab, from Forty-seventh Street to Fifty-first, through two stop lights.