| Part of Speech | Definition | |
| Noun | 1. A feeler; especially, one of the jointed sense organs attached to the mouth organs of insects, arachnids, crustaceans, and annelids; as, the mandibular palpi, maxillary palpi, and labial palpi. The palpi of male spiders serve as sexual organs. Called also palp.[Websters]. | |
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Date "PALPUS" was first used in popular English literature: sometime before 1774. (references) |
| Etymology:Palpus \Pal"pus\, noun; plural Palpi. [New Latin expression. See Palp.]. (references) |
