Definition of in milk in US English:

in milk


  • (of an animal, especially a cow) producing milk.

    • ‘I will refer to goats in milk and to milking goats to reflect the distinction.’
    • ‘The champion Friesian heifer in milk saw an honour awarded to Aidan Foody from Ardagh.’
    • ‘The data were adjusted for previous lactation milk yield and days in milk at last test day.’