- 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.
- a chamber or opening in a glassmaking furnace.
- pot arch.
Origin of arch1
Other definitions for arch (2 of 7)
Origin of arch2
Other definitions for arch (3 of 7)
Other definitions for arch (4 of 7)
Other definitions for arch (5 of 7)
Origin of -arch
Other definitions for arch (6 of 7)
Other definitions for arch (7 of 7)
How to use arch in a sentence
On the steps of the old courthouse in the shadow of the arch where Al Sharpton addressed a media horde.
Meanwhile, in the town plaza, arch-rival Brazilian and Argentinian fans were busy hurling insults and beer bottles at one another.What Is It About Soccer That Brings Out the Hooligan in Its Fans?|Bill Morris|June 25, 2014|DAILY BEAST
This has all fueled attacks against Comstock by her opponents in the primary, who include arch conservative Del.Republican Congressional Candidate's Awkward Obama Vote|Ben Jacobs|April 17, 2014|DAILY BEAST
In contrast, arch-rival California has lost a half a million.
After a while, as we were arguing about the Thicket, it occurred to us that all in the house save Arch and me had gone to bed.‘The Land of the Permanent Wave’ Is Bud Shrake’s Classic Take on ‘60s Texas|Edwin Shrake|February 2, 2014|DAILY BEAST
The way was under a double row of tall trees, which met at the top and formed a green arch over our heads.Music-Study in Germany|Amy Fay
He thought a little longer, and as he did so, a vision of his arch enemy rose before him.The Homesteader|Oscar Micheaux
A golden eagle, the armorial ensign of the Ripperda family, crested the centre arch.The Pastor's Fire-side Vol. 3 of 4|Jane Porter
Bonaparte made his public entry into Milan under a triumphal arch.The Every Day Book of History and Chronology|Joel Munsell
The girl, without saying a word, takes her by the cold hand, and leads her quickly down to the arch that opens on the hall.Checkmate|Joseph Sheridan Le Fanu
British Dictionary definitions for arch (1 of 5)
- any of various parts or structures of the body having a curved or archlike outline, such as the transverse portion of the aorta (arch of the aorta) or the raised bony vault formed by the tarsal and metatarsal bones (arch of the foot)
- one of the basic patterns of the human fingerprint, formed by several curved ridges one above the otherCompare loop 1 (def. 10a), whorl (def. 3)
Word Origin for arch
British Dictionary definitions for arch (2 of 5)
Derived forms of archarchly, adverbarchness, noun
Word Origin for arch
British Dictionary definitions for arch (3 of 5)
Word Origin for arch-
British Dictionary definitions for arch (4 of 5)
Word Origin for -arch
British Dictionary definitions for arch (5 of 5)
Medical definitions for arch
Cultural definitions for arch
In architecture, a curved or pointed opening that spans a doorway, window, or other space.