WordReference Random House Unabridged Dictionary of American English © 2025
pal•pus  (pal′pəs),USA pronunciation n., pl. -pi (-pī).USA pronunciation 
  1. Zoologyan appendage attached to an oral part and serving as an organ of sense in insects, crustaceans, etc. See diag. under insect. 
  • Neo-Latin, special use of Latin palpus a stroking, caress, palm of the hand; akin to feel
  • 1805–15

WordReference Random House Unabridged Dictionary of American English © 2025
palp  (palp),USA pronunciation n. 
  1. Zoologya palpus.

Collins Concise English Dictionary © HarperCollins Publishers::
palp / pælp/, palpus / ˈpælpəs/ (palps, 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
Etymology: 19th Century: from French, from Latin palpus a touching
'palpus' also found in these entries (note: many are not synonyms or translations):
palp - palpate - palpi - palpitate - pedipalp

Forum discussions with the word(s) "palpus" in the title:


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