an instrument for lancing human flesh for the purpose of bloodletting (see Molina)
Alonso de Molina:
tezoaloni. lanceta para sangrar. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 92v. col. 2. Thanks to Joe Campbell for providing the transcription.