The ordinal form of the number ninety-seven, describing a person or thing in position number 97 of a sequence.(noun)
One of ninety-seven equal parts of a whole.(noun)
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Use "ninety-seventh" in a sentence
"She celebrates her ninety-seventh birthday today (December 25th, 2008)"
"I later found out that he had run up the stairs to our other offices, on the ninety-seventh floor, to warn the others."
"On the ninety-seventh anniversary of International Women's Day, American women and men should celebrate these global milestones but also seriously consider the possibility of sending a woman to the helm at home."