a tenement block; a place of multiple lodgings; or, a neighborhood (see Molina)
Orthographic Variants:
cematzaqualtin
Alonso de Molina:
cematzaqualtin. vna vezindad. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 16r. col. 1. Thanks to Joe Campbell for providing the transcription.