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a wooden prop used to support the roof of a mine

a wooden prop used to support the roof of a mine

To check the motion of, as a carriage on a steep grade, by putting a sprag between the spokes of the wheel.

To prop or sustain with a sprag.

A billet of wood: specifically, in mining, a diagonal prop or stay for preventing the roof of a mine from sinking in. Edin. Rev.

To prop by a sprag: also to stop, as a carriage, on a steep gradient, by putting a sprag in the spokes of the wheel.

A stout bar of wood.

To stop with a sprag.

A young salmon; a rough stout bar of wood.

To stop a waggon by putting a strong bar of wood between two spokes of a wheel.