1. A poisonous snake, with bones in the tail, which rattle.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• rattelsnake,
• rattlesnack,
• eattlesnake,
• dattlesnake,
• fattlesnake,
• tattlesnake,
• 5attlesnake,
• 4attlesnake,
• rzttlesnake,
• rsttlesnake,
• rwttlesnake,
• rqttlesnake,
• rattlesnale,
• rattlesnaek,
• rattlesnakee,
• radtlesnake,
• rattle snake,
• rattle snakes,
• Rattle Snakee,
• Rattlesneak

The adjective form of the word "rattlesnake" is "rattlesnake".

The plural of the "rattlesnake" can be the "rattlesnakes".

The singular of the "rattlesnake" can be the "rattlesnake".