Other forms: rattlesnakes
A rattlesnake is a venomous American snake with a buzzing tail. Hear a rattlesnake.
The rattle is made of loose segments of old skin and gains one at each moult. A rattlesnake rattles to warn rather than to threaten, since biting costs it venom it would rather keep.
1nounrattlesnakeA venomous American snake with a buzzing tail.
“A rattlesnake on the path cleared the whole group off it.”
rattlesnake is a snake.
From rattle + snake.
Etymology from Wiktionary, CC BY-SA