Related Clues:

• The lowest point in drain
• Lowest part or underside
• Smallest possible quantity
• The least of smallest amount possible
• Drain to the lowest point
• Drain into the lowest point (5)
• Drain into lowest point
• Lowest part of anything
• Lowest point, as of deepest depression
• Drain into the lowest point
• Nought, the figure 0
• Nought, nil
• The least possible
• This could give you 27 acrossin a seedy setting
• It will get you down to dispose of an inversion of this