something cut off or fenced in, with a wall around it (see Molina)
Orthographic Variants:
tlayaualiuhca tectli
Alonso de Molina:
tlayaualiuhca tectli. cosa cortada o cercenada ala redonda. 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.