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milk cow

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noun
  1. a cow that is raised for its milk rather than for beef.
  2. Informal. a source of easily gained income; profitable venture: The new subsidiary turns out to be a real milk cow.

Origin of milk cow

late Middle English word dating back to 1400–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for milk cow

Historical Examples

  • If it be a milk-cow, the lacteal secretion is diminished, and the udder is hot and tender.

    The American Reformed Cattle Doctor

    George Dadd

  • On his way he overtook a boy, a little fellow of eight or nine, driving a milk-cow ahead of him.

    Under Handicap

    Jackson Gregory

  • But one often reads of a milk-cow, so I supposed there must be some cows that are all for cream, if some are for milk.

    Great Uncle Hoot-Toot

    Mrs. Molesworth