pedipalp

Etymology

New Latin pedipalpus, from ped-, pēs (“foot”) + palpus (“palpus”).

noun

1. (zoology) Either of a second pair of appendages near the mouth of many arachnids, variously specialized as pincers, sensory or locomotory organs.
   The defensive movements, on the other hand, involve the whole of the pedipalp being drawn in towards the midline. 1950, Proceedings of the Zoological Society of London
   The pedipalp trochanter has a prominent process on its inferior surface, separated by a large area not haired nor spinulated: it serves for the allodgement of the ventral spine of the pedipalp basitarsus when the tibia closes to the femur; 1986, Redia - Volumes 69-70, page 160