a key; or, an opener 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), 238.
a small key
the porter's lodge (see attestations)
something open, aperture (see Karttunen)
it is becoming nighttime (see Molina)
a guard, or the person who makes fire, or the person who hides something (see Molina)
to make fire, to hide something, or to kill someone (the latter, metaphorical) (see Molina)