to get pricked with thorns or to prick another person (see Molina)
IPAspelling:
tsɑpiːniɑ
Alonso de Molina:
tzapinia. nino. (pret. oninotzapini.) espinarse o punzarse.
tzapinia. nite. (pret. onitetzapini.) punzar assi a otro. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 151v. col. 1. Thanks to Joe Campbell for providing the transcription.