tecuancoatl.

Headword: 
tecuancoatl.
Principal English Translation: 

a rattlesnake (See Karttunen)

Orthographic Variants: 
tēcuāncōātl
IPAspelling: 
teːkwɑːnkoːɑːtɬ
Frances Karttunen: 

TĒCUĀNCŌĀ-TL pl: -MEH rattlesnake / víbora (C), culebra, víbora de cascabel (X) [(1)Cf.96r, (3)Xp.83]. See TĒCUĀNI, CŌĀ-TL.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 218.