to expect or wait for another person with regard to food or something else (see Molina)
Alonso de Molina:
chialtia. nic. (pret. onicchialti.) aguardar aotro conla comida, o con otro cosa. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 19r. col. 2. Thanks to Joe Campbell for providing the transcription.