rattlesnake

rat·tle·snake

noun \ˈrat-^əl-ˌsnāk\

Definition of RATTLESNAKE

: any of the American pit vipers that have a series of horny interlocking joints at the end of the tail which make a sharp rattling sound when vibrated and that comprise the genera Sistrurus and Crotalus—see diamondback rattlesnake, tiger rattlesnake, timber rattlesnake

Illustration of RATTLESNAKE