the act of gnawing on a bone or the like; or the act of breaking a pottery cup into pieces; or the act of breaking glass (see Molina)
Alonso de Molina:
tlateteytzaliztli. el acto de roer hueso, o cosa semejante, o de quebrantar y hazer pedazos algun vaso de barro, o de vidrio. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 136r. col. 1. Thanks to Joe Campbell for providing the transcription.