tzintlahuilli.

Headword: 
tzintlahuilli.
Principal English Translation: 

black widow spider (see Karttunen)

Orthographic Variants: 
tzīntlāhuīlli
IPAspelling: 
tsiːntɬɑːwiːlli
Frances Karttunen: 

TZĪNTLĀHUĪL-LI pl: -TIN ~ -MEH black widow spider / capulina, araña capulina (T) [(1)Tp.243]. See TZĪN-TLI, TLĀHUĪL-LI.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 314.