flehmen
Pronunciation:
/ˈfleɪmən/verb
Definitions
To exhibit the flehmen response, i.e., to draw back the lips, allowing scent to reach the Jacobson’s organ, an auxiliary olfactory organ found in many animals.
noun
Definitions
(especially in the compound "flehmen response") Flaring of the lip in mammals, associated with intensive smelling; flehming.