tim·ber rattlesnake 'tim-bər- n a moderate-sized rattlesnake of the genus Crotalus (C. horridus) that is widely distributed through the eastern half of the U.S. and feeds largely on mice and other rodents
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Crotalus horridus, a venomous yellowish-brown snake found from the East Coast of the United States west into Texas.Medical dictionary. 2011.