chichihualtomahua.

Headword: 
chichihualtomahua.
Principal English Translation: 

for breasts to harden, become full with milk; to harden, become stiff (see Molina)

Orthographic Variants: 
chichiualtomaua
Alonso de Molina: 

chichiualtomaua. ni. (pret. onichichiualtomauac.) retesarseme las tetas.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 20r. col. 2. Thanks to Joe Campbell for providing the transcription.