to say or do things that are bewildering, to talk nonsense, to rave, to dote, to be delirious (see Molina)
Orthographic Variants:
mazaciui
IPAspelling:
mɑsɑːsiwi
Alonso de Molina:
mazaciui. ni. (pret. onimazaciuh.) devanear, o desvariar. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 50r. col. 1. Thanks to Joe Campbell for providing the transcription.