bolster

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bolster

a cold chisel having a broad blade splayed towards the cutting edge, used for cutting stone slabs, etc

Bolster

A horizontal piece of timber that caps a column, pillar, or post to provide a greater bearing area to support a load from above; often has a carved profile or ornamental detail.

bolster

[′bōl·stər]
(engineering)
A plate for maintaining a fixed space between stacked heat exchangers or heat-exchanger shells.
(metallurgy)
A block of steel to which drop-forging dies are attached.

bolster

bolster, 4
1. A short horizontal timber or steel member placed on top of a column to support and decrease the span of beams or girders
2. One of the rolls forming the sides of an Ionic