Nahuatl

[nah-waht-l] /ˈnɑ wɑt l/
noun, plural Nahuatls (especially collectively) Nahuatl.
1.
a member of any of various peoples of ancient origin ranging from southeastern Mexico to parts of Central America and including the Aztecs.
2.
a Uto-Aztecan language spoken by over half a million people mostly in central Mexico.
Compare Aztec (def 2).
adjective
3.
of or pertaining to the Nahuatl language or peoples.
Origin
1815-25; < Spanish náhuatl < Nahuatl nāhuatl something that makes an agreeable sound, a second-language speaker of one's own language
British Dictionary definitions for Nahuatl

Nahuatl

/ˈnɑːwɑːtəl; nɑːˈwɑːtəl/
noun
1.
(pl) -tl, -tls. a member of one of a group of Central American and Mexican Indian peoples including the Aztecs
2.
the language of these peoples, belonging to the Uto-Aztecan family
Former name Nahuatlan
Word Origin and History for Nahuatl

1822, from Spanish, from Nahuatl (Aztec) Nahuatl, the people's name, "something that makes an agreeable sound; someone who speaks well or speaks one's own language." As a language name, usually in the compound form nahuatlahotol-li.