one who makes fire, hides something, or kills someone (see Molina and Karttunen)
IPAspelling:
tɬɑtɬɑːtiɑːni
Alonso de Molina:
tlatlatiani. el que haze huego, o esconde alguna cosa. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 139r. col. 2. Thanks to Joe Campbell for providing the transcription.
Frances Karttunen:
TLATLĀTIĀNI someone who hides something, murderer / el que ... esconde alguna cosa (M), matón (T) [(1)Tp.236]. See TLĀTIĀ. Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 299.