| vinegarroon | (n) large whip-scorpion of Mexico and southern United States that emits a vinegary odor when alarmed, Syn. Mastigoproctus giganteus |
| Vinegarroon | n. [ Cf. Sp. 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. [ Webster 1913 Suppl. ] |