| Palpus (n.) 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. See Orthoptera. Thesaurus Entries aerials, barb, barbel, barbule, bedspring type, cat whisker, directional antenna, dish, doublet, feed-and-reflector unit, feeler, mast, mattress type, palp, palpus, reflector, rhombic antenna, scanner, strike radar scanner, tactile cell, tactile corpuscle, tactile hair, tactile organ, tactile process, tactor, tower, transmitting antenna, vibrissa, wave antenna |