something pointed out with the palm of the hand full of ink or ocher (see Molina)
Alonso de Molina:
tlamacpal machiotilli. cosa señalada con la palma dela mano llena de tinta o de almagre &c. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 125v. col. 1. Thanks to Joe Campbell for providing the transcription.