something surrounded by walls or fences (see Molina)
Orthographic Variants:
tepan chinamitl
Alonso de Molina:
tepan chinamitl. cosa cercada de paredes o de tapias. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 101v. col. 2. Thanks to Joe Campbell for providing the transcription.