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flehmen

[fley-muh n]
noun Animal Behavior.
  1. a behavioral response of many male mammals, especially deer, antelope, and other artiodactyls, consisting of lip curling and head raising after sniffing a female's urine.

Origin of flehmen

< German Flehmen, noun use of infinitive: (of a domestic ungulate) to curl the lip; compare dial. (Upper Saxony) flemmen to look spiteful; further relations unclear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018