metzocuil.

Headword: 
metzocuil.
Principal English Translation: 

earthworm, tapeworm (see Karttunen)

Orthographic Variants: 
mētzocuil
IPAspelling: 
meːtsokwil
Frances Karttunen: 

MĒTZOCUIL-IN pl: -TIN earthworm, tapeworm / lombriz (T) [(1)Tp. 142]. See MĒTZ-TLI, OCUIL-IN.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 144.