a winnower, for winnowing wheat or the like (see Molina)
Alonso de Molina:
tlaaacanaloni. auentadero para auentar trigo, o cosa semejante. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 113v. col. 2. Thanks to Joe Campbell for providing the transcription.