[Common Teut., or at least WGer.: OE. béost = OHG. biost, MHG., mod.G. biest (masc.), MDu. and mod.Du. biest (fem.), MLG. best, North Fris. bjast, bjüst, all in same sense. Of unknown derivation, not found beyond Teutonic.] The first milk drawn from a mammal, especially a cow, after parturition.
c. 1000. Ælfric, Gloss., in Wr.-Wülcker, 14/36. Colostrum beost. Ibid., 210/17. Colostrum, i.e. lac novum, beost uel obestum.
1611. Cotgr., Beton, Beest, the first milke a female giues after the birth of her young one.
1611. [see next].
1688. R. Holme, Armoury, II. ix. 173. Beest, the first Milk after Calving.
1796. Mrs. Glasse, Cookery, xxi. 520. Pour your hot beest upon it.
