something that is thick, such as a cane hedge (see Molina)
Orthographic Variants:
quauhtilactic
Alonso de Molina:
quauhtilactic. lo mismo es que quauhtepetlatic. 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.