By: Maddie Dickson
- A curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in such a way that forces on the arch are transmitted as vertical or oblique stresses on either side of the opening.
- An upwardly curved construction, as of steel or timber functioning in the manner of a masonry arch.
- A doorway, gateway, etc., having a curved head; an archway.
- The curved head of an opening, as a doorway.
2. Any of various fine plasters for decorative work, moldings, etc.
3. Any of various finishes made with cement, plaster, or mortar, as albarium.
4. A wall, facing, molding, or other work made of such materials.
- Any of various long, narrow, ornamental surfaces that are either continuous or discontinuous, with uniform cross sections for the full length and a strikingly modeled profile that casts strong shadows: used on frames, tables, etc., and certain architectural members, as cornices, stringcourses, or bases.
- A strip of wood, stone, etc., having such a surface.
2. Such a structure used as or intended for a stronghold, fortress, prison, etc.
3. Any of various fully enclosed fireproof housings for vertical communications, as staircases, between the stories of a building.
4. Any structure, contrivance, or object that resembles or suggests a tower.
5. A tall, movable structure used in ancient and medieval warfare in storming a fortified place.
6. A tall, vertical case with accessible horizontal drive bays, designed to house a computer system standing on a desk or floor.