the face or exterior of a woman's genitals (see Molina)
Orthographic Variants:
tepilixquatl
Alonso de Molina:
tepilixquatl. la haz, o lo exterior dela natura dela muger. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 103r. col. 1. Thanks to Joe Campbell for providing the transcription.