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Water-worn or rough broken stones; broken bricks, etc., used in coarse masonry, or to fill up between the facing courses of walls. Inside [the wall] there was rubble or mortar. Jowett (Thucyd. ).

Masonry constructed of unsquared stones that are irregular in size and shape.

arch, an oblique arch. See under Oblique. -- Skew back. (Civil Engin.) (a) The course of masonry, the stone, or the iron plate, having an inclined face, which forms the abutment for the voussoirs of a segmental arch. (b) A plate, cap, or shoe, having an inclined face to receive the nut of a diagonal brace, rod, or the…

A slab of stone used as a veneer for coarse masonry. Knight.

gues to sea." Shak. On its outer point, some miles away. The lighthouse lifts its massive masonry. Longfellow.

e of to the order; to stretch over as an arch. The rivers were spanned by arches of solid masonry. prescott.

from Stretch, v. Stretching course (Masonry), a course or series of stretchers. See Stretcher, 2. Britton.

e whole supported by a carriage mounted on track rails. It is used esp. for setting heavy masonry blocks for piers, breakwaters, etc.

e under Round, a. -- Shot tower. See under Shot. -- Tower bastion (Fort.), a bastion of masonry, often with chambers beneath, built at an angle of the interior polygon of some works. -- Tower mustard (Bot.), the cruciferous plant Arabis perfoliata. -- Tower of London, a collection of buildings in the eastern part o…

To lay stones, masonry, etc., under, as the sills of a building, on which it is to rest.

The act of one who underpins; the act of supporting by stones, masonry, or the like.

An arched structure of masonry, forming a ceiling or canopy. The long-drawn aisle and fretted vault. Gray.

A structure or platform of timber, masonry, iron, earth, or other material, built on the shore of a harbor, river, canal, or the like, and usually extending from the shore to deep water, so that vessels may lie close alongside to receive and discharge cargo, passengers, etc.; a quay; a pier. Commerce pushes its wharves…