Biest"ings, Beest"ings (?), n. pl. [OE. bestynge, AS. bsting, fr. bst, beost; akin to D. biest, OHG. biost, G. biest; of unknown origin.]
The first milk given by a cow after calving.
The thick and curdy milk . . . commonly called biestings.
© Webster 1913.