tlacalhuaztli.

Headword: 
tlacalhuaztli.
Principal English Translation: 

blow gun (see Karttunen)

Orthographic Variants: 
tlahcalhuāztli
IPAspelling: 
tɬɑhkɑlwɑːstɬi
Frances Karttunen: 

TLAHCALHUĀZ-TLI blow gun / cerbatana (S) [(1)Bf.10r]. See (I)HCAL(I).
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 260.