coquette \koh-KET\ (noun) - A woman who habitually trifles with the affections of men; a flirt.
"Lola was an energetic woman, always singing and dancing, a coquette whose flirtatiousness infuriated my brother."
Coquette is the feminine form of French coquet, "flirtatious man," diminutive of coq, "rooster, cock." The adjective form is coquettish. The verb coquet (also coquette) means "to flirt or trifle with."