Related Clues:

• The mouth of a cavity
• Bodily opening, mouth of cavity
• Hole, opening
• A bodily cavity
• Mouth of a bodily cavity
• 'Hole, opening (8)'
• Either the whole sound of it, or when it's frozen
• Sounds like the whole of it, or if it's the middle bit of 16 down
• That's the whole of it by the sound of it
• Sounds like the whole of it - alternatively, if it comes from the freezer
• Alternatively, if the whole of ot sounds frozen
• If, as an alternative, it's frozen, that sounds like the whole of it
• Alternatively, if it sounds holy
• Alternatively, if it's frozen, that sounds like the whole of it
• Sounds as if that's either the whole of it or if it's frozen stiff