something that has been whipped up for war, in a state of hostility, combative (see Molina)
Alonso de Molina:
tlayaochiuhtli. guerreada cosa o combatida. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 120v. col. 2. Thanks to Joe Campbell for providing the transcription.