muzzle
/ˈmʌzl/ or /ˈmɪzl/Definitions
1. noun
the front part of a person’s face, especially the nose and mouth
“She covered her face with a muzzle to protect herself from the cold wind.”
2. noun
a device that covers the mouth of an animal, typically a dog, to prevent it from biting or barking
“The hiker was attacked by a wild dog that was not wearing a muzzle.”
3. verb
to cover or fit something, especially the mouth of an animal, with a muzzle
“The veterinarian muzzled the dog before performing the operation.”