something surrounded by thorns or maguey spikes (see Molina)
Orthographic Variants:
tlauitzectli
Alonso de Molina:
tlauitzectli. lo mesmo es que tlauitzquetztli. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 145r. col. 1. Thanks to Joe Campbell for providing the transcription.