rattlesnake

• rattle snake

From rattle +‎ snake.

• IPA^(key): /ˈɹæt.əlˌsneɪk/

• Audio (Southern England):

  (file)

rattlesnake (plural rattlesnakes)

1. Any of various venomous American snakes, of genera Crotalus and Sistrurus, having a rattle at the end of its tail.
   • 1895, J[ohn] W[esley] Powell, chapter I, in Canyons of the Colorado, Meadville, PA: Flood & Vincent; republished as The Exploration of the Colorado River and Its Canyons, New York: Dover, 1961, →ISBN, →OCLC, page 22:

     Hooded rattlesnakes, horned toads, and lizards crawl in the dust and among the rocks.

   • 2019 July, Jeffrey Rindskopf, “The Costs of Instatravel”, in DOPE Magazine, page 90:

     The country ran shuttles and posted signs encouraging visitors to enjoy the display responsibly, but those precautions didn't prevent rattlesnake bites, twisted ankles, heat exhaustion, Instacelebs and other selfie-takers lying in or otherwise trampling the delicate blooms they'd come to see.

• rattler (colloquial, especially US)

• (snake): pit viper

• rattlesnake on Wikipedia.Wikipedia