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) ◆Pedipalps are typically small and leglike in spiders, and large and pincerlike in scorpions.
From the M-W Editors
Origin and Etymology of pedipalp
New Latin pedipalpus, from ped-, pes foot + palpus palpus
First Known Use: 1826
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Britannica.com: Encyclopedia article about pedipalp
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