Colostrum

n. thin milk produced by mammals in the first few days after the birth of young

Beestings redirects here: or you may have wanted bee sting or . Colostrum (also known as beestings or first milk) is a form of milk produced by the mammary glands in late pregnancy and the few days after giving birth.Human and bovine colostrums are thick, sticky and yellowish. In humans, it has high concentrations of nutrients and antibodies, but it is small in quantity.
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Colostrum /co·los·trum/ the thin, yellow, milky fluid secreted by the mammary gland a few days before or after parturition. co·los·trum n. [more]Colostrum - Community and Resources

Noun
1. milky fluid secreted for the first day or two after parturition
(synonym) foremilk
(hypernym) milk

n. colostrum, thin milk produced by mammals in the first few days after the birth of young