a certain wild herb that grows on trees (see Molina), perhaps like a vine
Orthographic Variants:
quauh mecatecolotl
Alonso de Molina:
quauh mecatecolotl. cierta yerua que se cria en los arboles. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 86v. col. 1. Thanks to Joe Campbell for providing the transcription.