tlatzacutli.

Headword: 
tlatzacutli.
Principal English Translation: 

something closed

Alonso de Molina: 

tlatzacutli. cosa cerrada.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 142v. col. 1. Thanks to Joe Campbell for providing the transcription.