Source : Webster's Revised Unabridged Dictionary (1913)

Rhinophore \Rhi"no*phore\, n. [Rhino- + Gr. ??? to bear.]
   (Zo["o]l.)
   One of the two tentacle-like organs on the back of the head
   or neck of a nudibranch or tectibranch mollusk. They are
   usually retractile, and often transversely furrowed or
   plicate, and are regarded as olfactory organs. Called also
   {dorsal tentacles}. See Illust. under {Pygobranchia}, and
   {Opisthobranchia}.