cauallo cuitlapiltzontli.

(a loanword from Spanish)

Headword: 
cauallo cuitlapiltzontli.
Principal English Translation: 

horsetail bristles (see Molina)
(partially a loanword from Spanish; caballo, horse)

Orthographic Variants: 
cauallo cuitlapiltzuntli, caballo cuitlapiltzontli
Alonso de Molina: 

cauallo cuitlapiltzuntli. cerdas de cola de cauallo.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 12v. col. 2. Thanks to Joe Campbell for providing the transcription.

themes: 
Animals, Bugs, Insects, Reptiles, Fish, etc.