1) Mastigoproctus giganteus 2) Whip scorpion 3) Whip-scorpion 
• (n.) A whip scorpion, esp. a large Mexican species (Thelyphonus giganteus) popularly supposed to be very venomous; -- from the odor that it emits when alarmed.
species of whip scorpion (q.v.).[3 related articles]
Vin`e·gar·roon' noun [ Confer Spanish vinagre vinegar.] A whip scorpion, esp. a large Mexican species ( Thelyphonus giganteus ) popularly supposed to be very venomous; -- from the odor that it emits when alarmed. 
[n] - large whipscorpion of Mexico and southern United States that emits a vinegary odor when alarmed
Mastigoproctus giganteus noun large whip-scorpion of Mexico and southern United States that emits a vinegary odor when alarmed