noun.
A single tortillachip from a dish of nachos.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a tortilla chip topped with cheese and chili-pepper and broiled
Word Usage
"Each nacho is its own entity (and that is key), with just enough toppings to give it flavor and a bit of heft but not enough to make it saggy or soggy."