tlalapantli.

Headword: 
tlalapantli.
Principal English Translation: 

an irrigation ditch (with water), an open ditch (see Molina)

IPAspelling: 
tɬɑːlɑːpɑntɬi
Alonso de Molina: 

tlalapantli. acequia, o zanja abierta.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 123v. col. 1. Thanks to Joe Campbell for providing the transcription.

abertura de çania [zanja]. tlalapantli ycoyunca. tlalapantli ytlatatacyo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1555, part 1, Spanish to Nahuatl, f. 1r.

Attestations from sources in Spanish: 

tlalapantli icoyunca, tlalapantli itlatatacyo = abertura de zanja (ver Molina)

themes: 
Agriculture, Gardens, Stockraising
Water