Restraining Device for a Dog's Snout

This page is the CodyCross answer for the clue below from Greece, Group 664, Puzzle 4 (Active Volcanoes).

Question

Restraining Device for a Dog's Snout

Answer

MUZZLE

Word Meaning:

MUZZLE — The protruding part of an animal's head which includes the nose, mouth and jaws.

Definitions from Wiktionary.