Related Clues:

• Speaking part
• Cockney friend missing a feature
• Front of jaw
• Sea-urchins' core feature
• Part of skull
• Part of face around mouth and chin
• Chatter at length
• It's got teeth
• Maxilla locale
• Pliers feature
• It can be doubled on a face
• Just add water - for starters, you'll be able to feel that in your mouth
• Crocodile feature
• Half of a vise
• Discovered in machine guns under one's nose relatively speaking