tlahuahuanqui.

Headword: 
tlahuahuanqui.
Principal English Translation: 

the person who uses a measure or a guide for making ruled paper or a tool for making lines (see Molina)

Orthographic Variants: 
tlauauanqui
Alonso de Molina: 

tlauauanqui. reglador assi.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 144r. col. 1. Thanks to Joe Campbell for providing the transcription.