Related Clues:

• Triangular patch of land at mouth of river
• A surety for river's tidal mouth
• The fourth Greek letter found at river's mouth
• A surety about river's tidal mouth
• A surety for river mouth
• Area where a river divides before entering the sea
• The Greek D (5)
• Fourth letter of the Greek alphabet
• The sort of mouth that might have made AE rusty
• Seems that the work I took in put me to sleep
• Big mouth may have dealt with this
• Sounds as if one has been given a hand that comes at a mouth
• The end of the Dee?
• That'll make one's mouth water
• It sounds as if one gave a hand to a wet mouth