- a jointed organ or feeler for touching or tasting, attached to one of the head appendages of insects, lobsters, etc.
- a fleshy, sensory structure in the oral region of some polychaete worms
Origin of palpusModern Latin ; from Classical Latin palpus, the soft palm of the hand, akin to palpare: see palpable
Origin of palpusLatin, a toweling, the soft palm of the hand; see palp.
- palp (invertebrate appendage)