n. An old spelling of arc, a bow, arch.n. A chest, box, coffer, or other close receptacle; a bin or hutch: as, a meal-ark.n. In Scripture: The repository of the covenant or tables of the law.n. The large floating vessel in which, according to the account in the Old Testament, Noah and his family were preserved during the deluge.n. The vessel of bulrushes in which the infant Moses was laid.n. In the Ethiopic Ch., a sacred chest, called the tabout, serving as an altar.n. A large boat used on western American rivers to transport produce to market.n. In zoology, a name common to the bivalve mollusks of the family Arcidœ; an ark-shell.n. An Arabian measure of capacity, equal to the Spanish fanega, or 58 quarts; also, a measure of three fourths of this capacity, or 43 quarts.To inclose in an ark.