to plow or turn over the field with a plow (see Molina)
Orthographic Variants:
cuematlauhchiua
Alonso de Molina:
cuematlauhchiua. nitla. (pret. onitlacuematlauhchiuh.) surcar la tierra con arado. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 26r. col. 1. Thanks to Joe Campbell for providing the transcription.