someone who frightens people, or a scarecrow (see Molina; transl. to Engl. here by SW)
Alonso de Molina:
tlamauhtiloni. espantajo. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 126r. col. 2. Thanks to Joe Campbell for providing the transcription.