1. a palpus.

noun plural palps or palpi (ˈpælpaɪ)

  1. either of a pair of sensory appendages that arise from the mouthparts of crustaceans and insects
  2. either of a pair of tactile organs arising from the head or anterior end of certain annelids and molluscs

n.“feeler,” 1842, from French palpe, from Latin palpus “feeler,” related to palpare “to touch, feel” (see feel (v.)).

  1. A segmented organ extending from the mouthparts of arthropods, used for touch or taste. Also called palpus
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