something square or with four corners that has been worked or carved (see Molina)
IPAspelling:
tɬɑpɑtɬɑʃiːntɬi
Alonso de Molina:
tlapatlaxintli. cosa labrada enquadra, o con quatro esquinas. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 131r. col. 2. Thanks to Joe Campbell for providing the transcription.