'dorsal tentacles' definitions:

Definition of 'dorsal tentacles'

From: GCIDE
  • Rhinophore \Rhi"no*phore\, n. [Rhino- + Gr. fe`rein to bear.] (Zool.) 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. [1913 Webster]