An arched overhead covering, such as the sky, that resembles the architectural structure in form, A burial chamber, especially when underground, a partly glazed plate inserted in a pavement or ceiling to admit light to a vault below, intransitive verb_ To leap; to bound; to jump; to spring, To exhibit feats of tumbling or leaping; to tumble, transitive verb_ To form with a vault, or to cover with a vault; to give the shape of an arch to; to arch, To leap over; esp., to leap over by aid of the hands or a pole

A thin, flat or convex slab of hard material such as baked clay or plastic, laid in rows to cover walls, floors, and roofs, A hollow fired clay or concrete block used for building walls, A similar slab or plate of pottery, glazed and often decorated, used for ornamental pavements, revetments to walls, etc.; also, a like slab of porcelain, glazed and plain or decorated; an encaustic tile; also, a slab of stone or marble used with others like it in a pavement or revetment, verb_ cover with tiles, computing To arrange in a regular pattern, with adjoining edges (applied to tile-like objects, graphics, windows in a computer interface), transitive verb_ To cover with tiles, To protect from the intrusion of the uninitiated, To cover or provide with tiles

The act or action of crossing, A place where anything (as a stream) is crossed; a paved walk across a street, or a set of marks across the street pavement indicating that this is a designated location for pedestrians to cross, a shallow area in a stream that can be forded, adjective_ rare Extending or lying across; in a crosswise direction

A building material made by grinding calcined limestone and clay to a fine powder, which can be mixed with water and poured to set as a solid mass or used as an ingredient in making mortar or concret, concrete pavement is sometimes referred to as cement