scorpion spider
noun1
A whip spider or vinegaroon, any spider of order Uropygi (now often Thelyphonida)
› Certain spiders in order Araneae
2
Platyoides and other genera of family Trochanteriidae, of Africa, which can fold their fourth pair of legs over their back like a scorpion.
3
Arachnura in the family Araneidae (scorpion-tailed spiders)