Definition of pedipalp
: either of the second pair of appendages of various arthropods (such as an arachnid or horseshoe crab) that lie on each side of the mouth and often perform a specialized function (such as grasping or feeling)
Note: Pedipalps are typically small and leglike in spiders, and large and pincerlike in scorpions.
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors