PEDIPALPI
Pedipalpi, order Pedipalpi, Uropygi, order Uropygi
(noun) whip scorpions
Source: WordNet® 3.1
Noun
pedipalpi
plural of pedipalpus
Source: Wiktionary
Ped`i*pal"pi, n pl. Etym: [NL. See Pedipalpus.] (Zoöl.)
Definition: A division of Arachnida, including the whip scorpions
(Thelyphonus) and allied forms. Sometimes used in a wider sense to
include also the true scorpions.
PEDIPALPUS
Ped`i*pal"pus, n.; pl. Pedipalpi. Etym: [NL. See Pes, and Palpus.]
(Zoöl.)
Definition: One of the second pair of mouth organs of arachnids. In some
they are leglike, but in others, as the scorpion, they terminate in a
claw.
Source: Webster’s Unabridged Dictionary 1913 Edition