To beat into a leaf, thin plate, or lamina; shape or dispose like a leaf; divide into foils or leaves.To spread over with a thin coat of tin and quicksilver, etc.: as, to foliate a looking-glass.Beaten into the form of a leaf or thin plate; foliated.In botany, leafy; furnished with leaves: as, a foliate stalk.In zoology, expanded in a leaf-like form; foliaceous.In architecture: To adorn by means of foliation. See foliation, 7.To divide, as an arch, into smaller arches or foils. See foil, 7.Arranged in foliations: said of a pattern: divided into foliations: said of a bounding line or outline.