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: a very poisonous snake found in Asia and Africa
Full Definition of COBRA
: any of several venomous Asian and African elapid snakes (genera Naja and Ophiophagus) that when excited expand the skin of the neck into a hood by movement of the anterior ribs; also: any of several related African snakes
: any of several very venomous Asian and African elapid snakes of the genera Naja and Ophiophagus that when excited expand the skin of the neck into a broad hood by movement of the anterior ribs—see indian cobra, king cobra
Any of several highly venomous elapid snakes that expand their neck ribs to form a hood. They are found in warm regions of Africa, Australia, and Asia. Cobra bites are fatal in about 10% of human cases. Cobras feed primarily on small vertebrates. The Indian cobra (Naja naja) kills several thousand people annually, mostly because it enters houses to catch rats. The king cobra (Ophiophagus hannah) is the world's largest venomous snake, often more than 12 ft (3.5 m) long. Some African cobras can spit their venom more than 6 ft (1.8 m). Cobras are favourites of snake charmers, who, by their movements rather than their music, tease the deaf snakes into assuming the upreared defense posture.