cŏlostra (cŏlustra), ae, f. (cŏlo-stra, ōrum, n., Mart. 13, 38, 2; in sing.: cŏlostrum, Mart. l. l.; Serv. ad Verg. E. 2, 22), the first milk after delivery, the biestings, Plin. 28, 9, 33, § 123; 11, 41, 96, § 236; Col. 7, 3, 17; Pall. Nov. 13, 1.
As a dainty dish, Mart. l. l.
As a term of endearment, Plaut. Poen. 1, 2, 154; 1, 2, 177; Laber. ap. Non. p. 84, 13.