arc, arc-, arci-, arch, arch-

(Latin: arcus, bow, a curved structure)

arc (AHRK)
A curved line, arch, crescent, bow: "The rainbow formed a beautiful arc in the sky."

Both arc and arch come from the Latin element arcus, "bow". Archery and archer also come from this same Latin element.

arc lamp
An electric light in which a current produces light when an arc traverses the gap between two incandescent electrodes in a container filled with a gas; such as, xenon.

Arc lamps are used to produce intense light; such as, in spotlights and to produce heat for welding.

arcade (s) (noun), arcades (pl)
1. An arched, roofed building or part of a building: The arcade of the palace was built with a series of arches that supported one side of the building while the courtyard was on the other side.
2. A series of arches supported by columns, piers, or pillars: The older couple decided to enhance their lovely garden with an arcade with climbing rosebushes growing up and over it.
3. A roofed passage way or lane: The arcade in town had shops on either side and was a nice attraction for its visitors.
4. A commercial establishment featuring rows of coin-operated games: Lynn's grandfather used to tell stories about his visits to the arcade in town where he could use his pocket money to play games.
arcaded
1. Decorated with an arcade: "Our apartment has an arcaded entryway."
2. Housed in an arcade: "Our town finally has its own arcaded shops."
arch
1. A structure, especially one of masonry, for the curved, pointed, or flat upper edge of an open space and supporting the weight above it, as in a bridge or doorway.
2. A structure; such as, a freestanding monument, shaped like an inverted U.
3. A curve with the ends down and the middle up; "She moved her eyebrows in a raised arch."
4. A body organ or structure having a curved or bowlike appearance, especially either of two arched sections of the physical structure of the foot.
5. To form an arch or arch-like curve.
arched (s) (adjective), more arched, most arched
1. Referring to something that is formed in a curve; curved: When in the old church, Judy viewed many colourfully arched windows.
2. Provided, made, or covered with an arch: The old bridge in the town was built in an arched manner so as to afford good stability.
archer (s) (noun), archers (pl)
Someone who shoots with a bow and arrow; bowman; marksman; Sam used to be an archer who had an expensive bow and excellent arrows and took part in competitions.
archery (s) (noun), archeries (pl)
1. The art, sport, or skill of shooting with a bow and arrow (no pl): At high school, part of the physical educational program was archery.
2. The equipment of a bowman; bowmen collectively: All the archery that they had fit into the small car on their way to the competition.
architrave
1. A beam resting directly on columns; epistyle.
2. A moulding at the head and the sides of windows or doorways.
archivolt
A curved molding on the face of an arch.
archway
1. An entrance or passage under an arch.
2. A covering or enclosing arch.
archwise
In the form of an arch.
arciform
1. Formed in the shape of an arc.
2. Forming or resembling an arch.
arcing, arced
1. To form an arc.
2. To move or seem to move in a curved path: "We observed the rainbow arcing across the sky."
arcminute
A unit of angular distance equal to a 60th of a degree.