A feeler; specifically, the jointed sense body organs connected to the mouth body organs of bugs, arachnids, crustaceans, and annelids. The palpi of male spiders serve as intimate organs. Called additionally palp. See Illust. of arthrogastra and orthoptera.
In zoology: one of many jointed body organs attached to the labium and maxillæ of insects; a feeler.
among fleshy lobes in the sides of mouth of acephalous mollusks. More totally called labial palpus. See second-cut under Lamellibranchiata.