Az·tec 
(
ăz
t
ĕk
′)
n.1. A member of a people of central Mexico whose civilization was at its height at the time of the Spanish conquest in the early 16th century.
2. The Nahuatl language of the Aztecs.
adj. also
Az·tec·an (-t
ĕk
′ən)
Of or relating to the Aztecs or their language, culture, or empire.
[Spanish Azteca, from Nahuatl Aztecatl, one who comes from the place of the cranes : áztatl, crane + -técatl, suff.]

AztecExcavated in Mexico City in 1790, the 1479 basalt Aztec calendar stone weighs more than 22 metric tons.