An arch (of masonry), as in a gateway, or bridge. Obsolete exc. dialect.

An arch. [rare, only transl. medieval Latin cancer in same sense.]

Architecture. A concave arch or vault; an arched moulding or concavity running along the projecting member of a structure; esp. the concave arch of…

Of, pertaining to, or of the nature of a triumph; celebrating or commemorating a triumph or victory.

an arch having radiating joints but a straight intrados and extrados line.

an arch with a pointed crown, characteristic of the Gothic style of architecture.

an arch constructed of ordinary bricks rather than cut or tapered stones, often built into a wall as a discharging or relieving arch.

a small arch only one brick in thickness, having a flat rather than a semicircular profile, and typically used above a window or door, or to…

In Geometry: an acute-angled triangle (= oxygon, n.). Hence in Architecture: a pointed arch.

a rampant arch.

Architecture. flat arch (see quots.).

The arc of larger radius in the middle of a three-centre arch or elliptical arch; chiefly attributive, in scheme-arch n. an arch of this kind (but…

(a) An inverted arch opposite to another arch. (b) A relieving arch or ‘arch of discharge’. (c) An arch connecting counterforts at the top.

(apparently) a Gothic or acutely pointed arch.

surbased arch, an arch whose rise is less than half the span. So surbased dome.

Architecture. In full ogee arch: an arch whose curve is formed by two S-shaped or double curves meeting at its apex.

a rampant arch.

A subsidiary or secondary arch; one of two or more arches grouped under a larger arch. Also: the lowest order (order, n. 3c) on an arch.

= blind arch.

one described from four centres.

an arch having three or four centres.

Applied to the style of architecture (the latest form of Perpendicular) which prevailed in England during the reigns of the Tudors; belonging to…

The condition of being slightly arched or convex above. Also concrete a flattened arch.

one with an acutely-pointed head resembling the blade of a lancet.

Civil Engineering. A structure in the form of an inverted arch, typically constructed to provide support for the sides or floor or a tunnel, sewer…

Architecture. A flat lintel over a door or window.

an arch supported by piers.

Architecture. A pointed or Gothic arch. Also (occasionally): an ogee arch (see ogee, n. 2c).

Used attributively in scoinson arch = rear arch, n.; also in scoinson shaft.

= segment-arch n. at compounds 3a (or segmental, adj.).

(see quot.).

Having all the sides equal.

Short for lancet arch n., lancet light n., lancet window n.

Esp. in Gothic architecture: the inner arch of a window or doorway, typically differing in size or form from the external arch. Cf. rear vault, n.

an arch designed to resist end-thrust.

A subordinate arch springing from the point of intersection of two main arches of a vault.

a form of head for an opening (not properly an arch) somewhat resembling the outline of a man's shoulders and part of the neck.

A little arch.