Related Clues:

• London driver's unit
• What’s in large bottle? Some swill it: retsina!
• Cubic decimetre
• Quantity of wheat, ultimately, in old Italian bread
• Unit of liquid capacity
• Unit central to rising infertility
• Unit of liquid capacity (though not in the UK of beer)
• 1,000 cubic centimetres
• Unit roughly equal to a pint and three quarters
• Bath water volume
• Liquid measure, in Britain