a noise, buzzing, humming, whirring (see Molina)
xitetecuicaliztli. ruydo o zumbido tal. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 159v. col. 1. Thanks to Joe Campbell for providing the transcription.