co·​los·​trum | \ kə-ˈlä-strəm How to pronounce colostrum (audio) \

Definition of colostrum

: milk secreted for a few days after childbirth and characterized by high protein and antibody content

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Other Words from colostrum

colostral \ kə-​ˈlä-​strəl How to pronounce colostrum (audio) \ adjective

Examples of colostrum in a Sentence

Recent Examples on the Web In these early days of breastfeeding, the mothers are producing colostrum, known to be especially nutritious and immunity-boosting for the infant. Sarah Molano, CNN, 21 July 2021 Among other things, a newborn requires a special diet comprised of milk high in colostrum. Matt Williams, Dallas News, 3 July 2021 Sometimes, hand expressing your colostrum and putting it in her mouth to taste will encourage her to latch for a feeding. New York Times, 18 Apr. 2020 The next day, my breasts started leaking colostrum. Josephine Sedgwick, New York Times, 9 July 2018 Newborns depend on colostrum, a rich mother's milk supplying nutrients required to survive the first few days, according to Bearizona medical personnel. Scott Craven, azcentral, 12 July 2018 Wombaroo had its colostrum product and giraffe formula ready to go. Serena Solomon, New York Times, 24 Feb. 2018 If the situation did not improve within hours, caregivers would isolate the animal and begin a feeding program, starting with colostrum, an ultranutritious substance that mammals produce for a few days after birth to build a baby’s immune system. Serena Solomon, New York Times, 24 Feb. 2018 The Journal of Infectious Disease from 1998 made a case for bovine colostrum, which was supported by information found in the Natural Medicine database. Sheah Rarback, miamiherald, 31 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'colostrum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of colostrum

1577, in the meaning defined above

History and Etymology for colostrum

Latin, beestings

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Time Traveler for colostrum

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The first known use of colostrum was in 1577

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Cite this Entry

“Colostrum.” Dictionary, Merriam-Webster, Accessed 17 Oct. 2021.

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More Definitions for colostrum


co·​los·​trum | \ kə-ˈläs-trəm How to pronounce colostrum (audio) \

Medical Definition of colostrum

: milk secreted for a few days after childbirth and characterized by high protein and antibody content

Other Words from colostrum

colostral \ -​trəl How to pronounce colostrum (audio) \ adjective

More from Merriam-Webster on colostrum

Britannica English: Translation of colostrum for Arabic Speakers Encyclopedia article about colostrum


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