pixica.

Headword: 
pixica.
Principal English Translation: 

balloon (see Karttunen)

Orthographic Variants: 
pixīcah
IPAspelling: 
piʃiːkɑh
Frances Karttunen: 

PIXĪCAH pl: PĪPIXĪCAHTIN balloon / globo [T][(1)Tp.175].
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 199.