atatactli.

Headword: 
atatactli.
Principal English Translation: 

cistern (container for storing or holding water or other liquid) or a reservoir

Orthographic Variants: 
atactli
IPAspelling: 
ɑːtɑtɑktɬi
Alonso de Molina: 

atatactli. algiue, cisterna, o xaguei.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 7v. col. 1. Thanks to Joe Campbell for providing the transcription.

Attestations from sources in English: 

çan ye oncan atactli ytech ynic viac ix ic patlauac v = Also there next to the reservoir, 9 (rods) long, 5 wide (Coyoacan, mid-sixteenth cent.)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 26, 156–157.

themes: 
Architecture, Construction, Buildings
Technology, Tools
Water