n.; pl. Halachoth [ Heb. halāchāh. ] The general term for the Hebrew oral or traditional law; one of two branches of exposition in the Midrash. See Midrash. [ 1913 Webster ]

n. [ Fr. Gr. mala`chh a mallow, from its resembling the green color of the leaf of mallows: cf. F. malachite. Cf. Mallow. ] (Min.) Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure. [ 1913 Webster ]

☞ Green malachite, or malachite proper, admits of a high polish, and is sometimes used for ornamental work. Blue malachite, or azurite, is a related species of a deep blue color. [ 1913 Webster ]

Malachite green. See Emerald green, under Green, n. [ 1913 Webster ]