For Chock we have terms and definitions in 5 topics. The topics are Boating, Climbing, Logging, Logistics and Speleological.

Chock (Boating)

A guide for the anchor rode, docking lines, and other lines. A closed chock has a latch to keep the line from jumping out, an open chock may have small prongs (ears) that retain the line but allow it to be lifted out.

Chock (Climbing)

A mechanical device, or a wedge, used to attach anchors into cracks.

Chock (Logging)

A block, often wedge shaped, which is used to prevent movement; e.g., a log from rolling, a wheel from turning.

Chock (Logistics)

A piece of wood or other material placed at the side of cargo to prevent rolling or moving sideways.

Chock (Speleological)

A device, being a block of metal, for use as a chockstone.
Climbing and SRT.

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