Pronunciation: (mär'bling),[key] —n. 1. the act, process, or art of coloring or staining in imitation of variegated marble.
2. an appearance like that of variegated marble.
3. the intermixture of fat with lean in a cut of meat, which contributes to flavor and tenderness.
4. Bookbinding.marblelike decoration on the paper edges, lining, or binding boards of a book.