muzzle

n. the part of an animal's head that includes the nose and mouth.

n. the projecting part of the head of an animal, including the jaws, mouth, and nose.

“The dog had a white patch of fur on its muzzle.”

“The veterinarian carefully examined the horse's muzzle for any signs of irritation or infection after it had been grazing in the new pasture.”

n. a cover you put over an animal's mouth to stop it from biting or eating.

n. a guard or strap fitted over an animal's snout to prevent it from biting, barking, or scavenging.

“The law requires certain breeds of dogs to wear a muzzle in public parks.”

“The trainer recommended a basket-style muzzle that allowed the dog to pant and drink water while ensuring the safety of other animals.”

n. the end of a gun where the bullet comes out.

n. the open end of the barrel of a firearm from which the projectile is discharged.

“Smoke rose from the muzzle of the rifle after the shot.”

“The ballistics expert measured the residue around the muzzle to determine the distance from which the weapon had been fired.”

Technical

n. a rude or funny way to talk about a person's mouth.

n. a derogatory or highly informal term for a human mouth.

“He told the loud man to shut his muzzle.”

“The heckler was told in no uncertain terms to keep his muzzle shut during the performance.”

Slang · Informal