To cry over spilt milk. (See under Cry.)
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Milk from Fact Monster:
- fermented milk - fermented milk fermented milk, whole or skim milk curdled to beverage or custardlike consistency by ...
- condensed milk - condensed milk: condensed milk: see milk.
- acidophilus milk - acidophilus milk acidophilus milk : see fermented milk.
- milk snake - milk snake: milk snake: see king snake.
- milk sugar - milk sugar: milk sugar: see lactose.