the shadow or shade made by something (see Molina)
shadow, shade
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 213.
a type of bird, perhaps a talking bird; perhaps like the zacuan Gran Diccionario Náhuatl, citing Wimmer 2004, who draws from Clavijero and Hernández. English translation, by Stephanie Wood, draws from the French.