Refers to the projecting nose and mouth of an animal, especially a dog or horse.
I gently touched the dog's muzzle.
The open end of a gun barrel. Often used in compound terms like マズルブレーキ (muzzle brake).
Smoke was coming from the muzzle of the gun.
muzzle (device to prevent biting)
A guard, usually of straps or wire, placed over an animal's snout to prevent biting.
The vet put a muzzle on the dog.