Dictionary.com
definitions
  • synonyms

colostrum

[kuh-los-truh m]
noun
  1. a yellowish liquid, especially rich in immune factors, secreted by the mammary gland of female mammals a few days before and after the birth of their young.
Show More

Origin of colostrum

First recorded in 1570–80, colostrum is from the Latin word colostrum, colustrum beestings
Also called foremilk.
Related formsco·los·tral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for colostrum

Historical Examples

  • Colostrum is rich in the very food that the baby calf needs.

    Agriculture for Beginners

    Charles William Burkett

  • Colostrum, ko-los′trum, n. the first milk of a mammal after parturition.

  • After the calf is a few days old, colostrum changes to what is commonly known as milk.

    Agriculture for Beginners

    Charles William Burkett

  • By nursing the colostrum out of the breasts, it will favor and hasten the secretion of milk.


British Dictionary definitions for colostrum

colostrum

noun
  1. the thin milky secretion from the nipples that precedes and follows true lactation. It consists largely of serum and white blood cells
Show More
Derived Formscolostral, adjective

Word Origin

C16: from Latin, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for colostrum

n.

1570s, from Latin colostrum "first milk from an animal," of unknown origin.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

colostrum in Medicine

colostrum

(kə-lŏstrəm)
n.
  1. The first milk secreted at the time of parturition, differing from the milk secreted later by containing more lactalbumin and lactoprotein, and also being rich in antibodies that confer passive immunity to the newborn.foremilk
Show More
Related formsco•lostral (-trəl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.