Source : Webster's Revised Unabridged Dictionary (1913)

Pedipalpi \Ped`i*pal"pi\, n pl. [NL. See {Pedipalpus}.]
   (Zo["o]l.)
   A division of Arachnida, including the whip scorpions
   ({Thelyphonus}) and allied forms. Sometimes used in a wider
   sense to include also the true scorpions.