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Either of two large venomous rattlesnakes (Crotalus adamanteus or C. atrox) found in the southern and western United States and in Mexico and having diamond-shaped markings on the back.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||diamondback rattlesnake - large deadly rattlesnake with diamond-shaped markings|
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