(central Mexico, early seventeenth century) Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 154–155.
1) a type of snake, such as a constrictor or a pit viper (see Karttunen)
2) a tornado or a whirlwind (literally, wind-serpent) (see Karttunen and attestations)