cobra
1 Americannoun
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any of several highly venomous, Old World elapid snakes of the genera Naja and Ophiophagus, characterized by the ability to flatten the neck into a hoodlike form when disturbed.
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any of several similar, related African snakes, as the ringhals.
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leather made from the skin of a cobra.
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Military. Cobra, a single-engine, two-seat U.S. Army attack helicopter armed with missiles, rockets, and a 20 mm cannon and in service since 1977.
noun
noun
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any highly venomous elapid snake of the genus Naja, such as N. naja ( Indian cobra ), of tropical Africa and Asia. When alarmed they spread the skin of the neck region into a hood
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any related snake, such as the king cobra
acronym
Etymology
Origin of cobra1
First recorded in 1810–20; short for cobra de capello
Origin of cobra2
First recorded in 1825–35, cobra is from the Dharuk word gabarā
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Carse produced a lifter to Usman Khawaja so venomous it could have been a spitting cobra.
From BBC • Nov. 21, 2025
This drama will not end well: “Watch Your Step” has a coiled energy, a cobra poised to strike.
From Los Angeles Times • Jul. 24, 2025
Throw in a pitch spitting like a cobra from a length at one end, Jasprit Bumrah bowling missiles and turn for Ravindra Jadeja, and England were second favourites.
From BBC • Jun. 25, 2025
When she and Dr. Tessler analyzed the leech’s movement, they identified that it made a curling motion similar to the move a cobra makes before it strikes.
From New York Times • Jun. 20, 2024
She held the ball in both hands at her waist, and then, like the strike of a cobra, her right hand flicked out and the ball smacked into Jasper’s hand.
From "Twilight" by Stephenie Meyer
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.