the act of going out with weapons in a parade or march (see Molina)
Orthographic Variants:
tlauiznextiliztli
Alonso de Molina:
tlauiznextiliztli. el acto de salir en alarde assi. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 145r. col. 2. Thanks to Joe Campbell for providing the transcription.