From Longman Dictionary of Contemporary Englishnachosnach‧os /ˈnætʃəʊz $ ˈnɑːtʃoʊz/ noun [plural] 
DFFMexican food consisting of small pieces of tortillas covered with cheese, beans etc
DFFMexican food consisting of small pieces of tortillas covered with cheese, beans etcExamples from the Corpus
nachos• Suddenly there was a run on, and mice were going faster than nachos and salsa.• Without speaking a word, he convinces me not to buy those nachos. 