Definition of colostrum in English:


Line breaks: col|os¦trum
Pronunciation: /kəˈlɒstrəm


[mass noun]
  • The first secretion from the mammary glands after giving birth, rich in antibodies.
    More example sentences
    • Antibodies acquired through colostrum at birth are critical to the newborn's health, but only last three to six months and while present can block the immune response to a vaccine.
    • Similar proportions of mothers in both groups began breast feeding within 12 hours of birth and reported feeding colostrum.
    • As the first milk that comes from a cow's udder, colostrum is rich in growth factors, antibodies and high-quality protein, making it a potentially valuable supplement for bodybuilders.


late 16th century: from Latin.

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