perhaps: one who looks around everywhere (see Molina)
Alonso de Molina:
momalacachoca tlachiani. el que mira en derredor a todas partes. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 58v. col. 2. Thanks to Joe Campbell for providing the transcription.