A structure of stones or bricks so combined as to support each other over a space and serve as a roof or covering to this; an arched surface…

A flat roof.

An arch, an archway; an arched or vaulted roof or canopy; the vaulted ground floor of a tower or fortified building; a covered passage or entry; (in…

A vaulted roof.

compassed roof, compassed window: see compass-window n. at compass, n.1 adj.adv. compounds 2.

The flat roof of a house, resorted to for coolness in warm climates. Obsolete.

A terrace or flat roof.

The roof of a building; the upper covering of a similar structure.

a vaulted roof.

An arched roof, a vault; figurative the heavens.

(under-, prefix1 affix 2b(b).)

Vaulting, vaulted roof or ceiling.

= vault, n.1 1.

A roof with a sharp inclined edge or edges from the ridge to the eaves where the two sides meet, and a sloping plane on each side; a hipped roof. Cf…

a mansard roof.

Scottish. A roof or archway over a passage between two buildings. Obsolete.

A type of roof end consisting of a hipped top part and a gabled bottom part. Frequently attributive, esp. in jerkinhead gable, jerkinhead roof.

In full mansard roof. A roof which has four sloping and hipped sides, each of which becomes steeper halfway (or part-way) down. Also (British): a…

A roof of which each face has two slopes, the lower one steeper than the upper; a mansard-roof.

a roof with only one slope (as in a lean-to shed); hence shed-roofed adj.

A roof with two pitched surfaces extending from the ridge to the eaves, and terminating with a gable (gable, n.1 1a). Often contrasted with hip roof…

A two-sided roof, each side having a shallower slope above a steeper one. Also (British): a hipped roof with a small gable forming the upper part…

†(a) a roof or canopy formed of living trees; cf. living fence n. (obsolete); (b) = green roof n. at green, adj. n.1compounds 1d(a).

A roof like that of a penthouse, sloping in one direction only. Later also: a small roof below the main roof on a building (as over a bay window)…

A roof consisting of two inclined sides.

A cylindrical ceiling, roof, or vault.

The flat roof of a house, used as a place of resort in hot climates.

a roof constructed with rafters.

A small roof or covering.

(see quot. 1892).

a roof shaped like a bell.

a steeply sloping roof rising up into a spire.

a roof, in shape like a half cylinder, divided into panels by wooden ribs.

a roof, as on a church tower, which resembles a packsaddle; = saddleback, n. 4.

a pitched roof with exposed rafters and no ceiling; cf. open floor n.

an arched roof resembling an umbrella.

Originally and chiefly U.S. Short for gambrel roof, n.

= packsaddle roof n. at compounds 2. Obsolete. rare.

(see quots.).

Architecture. A steeply pitched roof (esp. of a tower), having gables at two opposite sides connected by a ridge. Cf. sense B. 1a. Now rare.

= saddleback, n. 4; also in extended use.

= curb-roof, n.

= wagon-vault n.

a roof with a serrated profile incorporating windows in the steeper sides, which face in the direction of the equator.

see quot.

a roof sloping from the side of a building.

north-light roof: a roof containing such a window. Now rare.

a roof consisting of a shell (sense 12b above).

a roof covered with vegetation, esp. one intended to provide environmental benefits.

= curb-roof, n.