vin·e·gar·roon  (vĭn'ĭ-gə-rōōn')  n. A large whip scorpion (Mastigoproctus giganteus)of the southern United States and Mexico that emits a strong vinegary odor when disturbed. [American Spanish vinagrón, from Spanish vinagre, vinegar, from Old Spanish, from Old French vinaigre; see vinegar.] |