Related Clues:

• Recedes to the sea
• Is refluent
• Recedes, as the sea
• Gets inedible
• Lessons
• Goes out like tide
• Flows back or recedes
• Flows the other way
• The turn of 31 across goes out like this
• What this does after it's tied up, by the sound of it
• It's not, by the sound of it, tied in if it does this
• As it flows the other way it goes out
• Although it sounds as if it's tied, it goes out
• This flows the other way
• Goes back to sea?