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One of a pair of elongated, often segmented appendages usually found near the mouth in invertebrate organisms such as mollusks, crustaceans, and insects, the functions of which include sensation, locomotion, and feeding. Also called palpus.
pal′pal (păl′pəl) adj.
n, pl palps or palpi (ˈpælpaɪ)
1. (Zoology) either of a pair of sensory appendages that arise from the mouthparts of crustaceans and insects
2. (Zoology) either of a pair of tactile organs arising from the head or anterior end of certain annelids and molluscs
[C19: from French, from Latin palpus a touching]
n., pl. -pi (-pī).
an appendage attached to an oral part and serving as an organ of sense in insects, crustaceans, etc.
[1805–15; < New Latin; Latin palpus or palpum palm of the hand]
A segmented organ extending from the mouthparts of arthropods, used for touch or taste.