block tin
In plumbing: pure tin.
A quoin formed by bricks, distinguished decoratively from adjacent masonry by a contrasting appearance or by a projecting pattern.
A small-scale simplified plan of a building, indicating its location and surroundings.
A broad-edged chisel made in a number of sizes, shapes, and weights; a bolster, 4.
In a brick arch of concentric rings which is divided in sections, a bond within a section formed through the