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Classical Nahuatl[edit]

The glyph for the day sign cōātl “snake”, from the Codex Magliabechiano.

Alternative forms[edit]


This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology.


  • IPA(key): [ˈkoː.aːt͡ɬ], [ˈkoː.(w)aːt͡ɬ], [ˈko.waːt͡ɬ]


cōātl ‎(animate, plural cōcōah)

  1. snake, serpent
  2. twin
  3. The fifth day sign of the Aztec tōnalpōhualli, a snake or snake's head.
    • 16C: Codex Magliabechiano, f. 11v.
      chicuei coatl q̇ / quiere dezir ocho / culebras.
      chicuei coatl. which means “eight snakes”.

Derived terms[edit]



  • 1571, Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, Editorial Porrúa, page 83v, 23r:
  • 1885, Rémi Siméon, Diccionario de la lengua náhuatl o mexicana, Siglo Veintiuno Editores, page 115:
  • 1981, Laurette Séjourné, El pensamiento náhuatl cifrado por los calendarios, Siglo Veintiuno Editores, page 20: