First Known Use: 1976
Dictionary
flehmen
noun fleh·men \ˈflā-mən\
Definition of FLEHMEN
: a mammalian behavior (as of horses or cats) in which the animal inhales with the mouth open and upper lip curled to facilitate exposure of the vomeronasal organ to a scent or pheromone
— flehmen intransitive verb
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Origin of FLEHMEN
German, from flehmen (of animals) to curl the upper lip
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