the act of biting, sinking one's teeth into another (see Molina)
Alonso de Molina:
tecampaxoliztli. bocado o dentellada. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 91v. col. 2. Thanks to Joe Campbell for providing the transcription.