nàhuatl m (feminine nàhuatla, masculine plural nàhuatls, feminine plural nàhuatles)
- (colloquial) Nahuatl (pertaining to one of the Nahuatl languages)
- (colloquial) one of the Nahuatl languages
- Classical Nahuatl (the extinct literary language used by the Aztecs)
While this term is colloquially used for all the Nahuatl languages, the term prescribed by both the IEC and the AVL is nahua, which follows the standards of Catalan orthography.