Definition of colostrum noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈlɒstrəm//
; NAmE NAmE//ˈlɑːstrəm//
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the substance produced in the breasts of a new mother, which has a lot of antibodies which help her baby to resist disease Word Origin late 16th cent.: from Latin.
See the Oxford Advanced American Dictionary entry: colostrum