Is “Muzzle” a Scrabble word?

1.The protruding part of an animal's head which includes the nose, mouth and jaws; the snout

2.The mouth or the end for entrance or discharge of a gun, pistol etc., that the bullet emerges from as opposed to the breech.

3.A device used to prevent animal from biting or eating, which is worn on its snout.

1.To bind or confine an animal's mouth by putting a muzzle, as to prevent it from eating or biting.

2.To restrain (from speaking, expressing opinion or acting); gag, silence, censor.

3.To veil, mask, muffle.