from The Century Dictionary.
- noun In zoology: One of the jointed organs attached to the labium and maxillæ of insects; a feeler.
- noun One of the fleshy lobes at the sides of the mouth of acephalous mollusks. More fully called
labial palpus. See second cut under Lamellibranchiata.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A feeler; especially, one of the jointed sense organs attached to the mouth organs of insects, arachnids, crustaceans, and annelids. The palpi of male spiders serve as sexual organs. Called also
palp. See Illust.of arthrogastraand orthoptera.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
from The American Heritage® Dictionary of the English Language, 4th Edition
The head has two compound eyes, an antennae to sense chemicals and the mouth parts called the palpus and proboscis.
Lateral lobe: of the labium in Odonata, corresponds to the paraglossa with palpiger and palpus (Gerstaecker) or, more probably, to the palpus alone (Butler).
Palpifer: any palpus-bearing part: specifically, a small sclerite hearing the maxillary palpus and itself articulated to the stipes.
Palmula: = pulvillus; q.v. Palp: a mouth feeler or palpus.
Palpi: plural of palpus; q.v. Palpicorne: with long, slender, antenna-like palpi.
Palpiger: that sclerite of the labium to which the labial palpus is attached corresponds to the palpifer of the maxilla and has been used in the same general sense.
When you touch him, he draws up slowly one leg after another, or moves a palpus feebly.
When completed (on an average in about two hours) the male withdraws his copulatory palpus and turns over the female, who is still inert, on to her other side, then brings his second copulatory apparatus to the female opening and starts afresh.
The palpus, too, on this side was turned back to correspond to the direction of the legs nearest it.
The outer lobe, or palpus, is a minute membranous tubercle ending in a hair