Coatl

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Coatl (also spelled cohuatl, couatl, or cuatl) is a Nahuatl word meaning "serpent" or "twin" (). It is the name of one of the day-signs in the Aztec Calendar. It can also refer to:

Popular culture
 Coatl, a character from the 1945 novel, Captain from Castile (novel)
 Also appears in the 1947 film adaptation, Captain from Castile
 Couatl, a type of creature in the Dungeons & Dragons fantasy roleplaying game

Science
 Lignum nephriticum, the European name for the traditional diuretic derived from Eysenhardtia polystacha and Pterocarpus indicus

Other uses
 Lamborghini Coatl, a special variant of the car Lamborghini Diablo built in Latin America

See also
 Coatli, a Nahuatl word meaning "water serpent" and used as a name for several medicinal plants