rhinophore
Zoology
noun
(In opisthobranch molluscs) each of a pair of stout, often retractile tentacles located at the back of the head (posterior to the oral or cephalic tentacles) and having a chemosensory function.
Origin
Mid 19th century; earliest use found in Annals and Magazine of Natural History. From rhino- + -phore, after post-classical Latin rhinophorium.