chock

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chock

1. Nautical
a. a fairlead consisting of a ringlike device with an opening at the top through which a rope is placed
b. a cradle-like support for a boat, barrel, etc.
2. Mountaineering See nut

Chock

 

(cribbing), an adjustable mine support on the working face for controlling the roof by the caving and lowering methods; in development workings it is used for supporting berms and filling empty spaces behind the supports. The cribbing consists of square or rectangular chocks (cages) made of stacked wooden props, beams, or metal girders and rails; the inside space is sometimes filled with rock to reinforce the structure.

chock

[chäk]
(mining engineering)
A square pillar for supporting the roof in a mine, constructed of prop timber laid up in alternate cross layers, in log-cabin style, the center being filled with waste.
(naval architecture)
An open or closed metal fitting through which ropes, wires, or cables are passed.
A block or wedge for supporting a boat that is being repaired.

chock

A wedge or block used to prevent an object from moving.

chock

A block of wood or other material, or a rigid framework of metal, usually designed to fit in the angle between the airplane tire and the ground to aid in preventing the airplane from rolling.