something that is thick, such as cane hedge (see Molina)
Orthographic Variants:
quauhtepetlatic
Alonso de Molina:
quauhtepetlatic. cosa tupida, assi como seto de cañas. &c. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 87r. col. 1. Thanks to Joe Campbell for providing the transcription.