Word Study
nacho
CIDE DICTIONARY
nacho, n.
A tortilla chip topped with cheese and often chili-pepper or beans and then broiled; -- eaten as a snack or light meal. [WordNet 1.5]
OXFORD DICTIONARY
nacho, n. (pl. -os) (usu. in pl.) a tortilla chip, usu. topped with melted cheese and spices etc.
Etymology
20th c.: orig. uncert.
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