'Gringo' definitions:

Definition of 'gringo'

From: WordNet
noun
A Latin American (disparaging) term for foreigners (especially Americans and Englishmen)

Definition of 'Gringo'

From: GCIDE
  • Gringo \Grin"go\, n. [Amer. Sp., fr. Sp. gringo gibberish; cf. griego Greek, F. grigou wretch.] Among Spanish Americans, a foreigner, especially an American or sometimes an Englishman; -- often used disparagingly or as a term of reproach. [Webster 1913 Suppl.]