n. A massive, compact limestone; a variety of calcite, capable of being polished and used for architectural and ornamental purposes. The color varies from white to black, being sometimes yellow, red, and green, and frequently beautifully veined or clouded. The name is also given to other rocks of like use and appearance, as serpentine or verd antique marble, and less properly to polished porphyry, granite, etc.n. A thing made of, or resembling, marble, as a work of art, or record, in marble; or, in the plural, a collection of such worksn. A little ball of glass, marble, porcelain, or of some other hard substance, used as a plaything by children; or, in the plural, a child's game played with marbles.adj. Made of, or resembling, marbleadj. Cold; hard; unfeeling.v. To stain or vein like marble; to variegate in color.