Related Clues:

• Drain away
• Flow back, as a tide
• The lowest point to drain into
• Point opposite the zenith
• The lowest point
• Lowest point, or time of deepest depression.
• Flow outwards
• Fall back, like the tide
• The lowest part
• Drain to lowest level
• Go out like tide
• Recede like tide
• Drain to lowest point
• The lowest point in drain
• Lowest part or underside