yaocallapixqui.

Headword: 
yaocallapixqui.
Principal English Translation: 

a person who guards a fortress (see Molina)

Alonso de Molina: 

yaocallapixqui. alcaide de fortaleza.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 31r. col. 1. Thanks to Joe Campbell for providing the transcription.