the blowing or sounding of trumpets (a ceremony or ritual)
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan (Norman: University of Oklahoma Press, 1997), 80, 126.
a doorman (see Molina)
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)