- a large, nonpoisonous whipscorpion, Mastigoproctus giganteus, of the southern U.S. and Mexico, which, when disturbed, emits a volatile fluid having a vinegary odor.
Origin of vinegarroon
1850–55, Americanism; < Mexican Spanish vinagrón, equivalent to Spanish vinagr(e) vinegar + -ón augmentative suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a large whip scorpion, Mastigoproctus giganteus, of the southwestern US and Mexico that emits a vinegary odour when alarmed
from Mexican Spanish vinagrón, from Spanish vinagre vinegar