| Noun | 1. | Pedipalpi - whip scorpions animal order - the order of animals Arachnida, class Arachnida - a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings whip scorpion, whip-scorpion - nonvenomous arachnid that resembles a scorpion and that has a long thin tail without a stinger genus Mastigoproctus, Mastigoproctus - giant whip scorpions |