grass, weeds, or hay for feeding animals (see Molina), forage
Orthographic Variants:
mazatlaqualli
Alonso de Molina:
mazatlaqualli. yerua, o paja. &c. para bestias. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 50r. col. 2. Thanks to Joe Campbell for providing the transcription.