1670s, "lumpy piece of wood," possibly from Old North French choque "a block" (Old French çoche "log," 12c.; Modern French souche "stump, stock, block"), from G [..]

"tightly, close up against," 1799, back formation from chock-full.

A wedge, usually made of hard rubber or steel, that is firmly placed under the wheel of a trailer, truck, or boxcar to stop it from rolling.

Large hydraulic jacks used to support roof in longwall and shortwall mining systems.

roof support.

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

A piece of wood or other material placed at the side of cargo to prevent rolling or moving sideways. A wedge, usually made of hard rubber or steel, that is firmly placed under the wheel of a trailer, [..]

For alignment purposes, a thick shim, usually ¼-inch or thicker.

(n) a block of wood used to prevent the sliding or rolling of a heavy object(v) secure with chocks(v) support on chocks(adv) as completely as possible

A fitting through which anchor or mooring lines are led. Usually U-shaped to reduce chafe.

A fitting through which anchor or mooring lines are led. Usually U-shaped to reduce chafe.

Any metal device that is inserted into rock as an anchor.

A heavy wooden or metal fitting secured on a deck or on a dock, with jaws, used for the lead or to guide lines or cables.

A wedge, usually made of hard rubber or steel, that is firmly placed under the wheel of a trailer, truck, or boxcar to stop it from rolling.

A fitting through which anchor or mooring lines are led. Usually U-shaped to reduce chafe.

(In naval architecture) a small piece of wood used to make good any deficiency in a piece of tember, frame etc.

Hole or ring attached to the hull to guide a line via that point

A-Block - Rigging blocks that are so tight against one another that they cannot be further tightened.

  Deck fitting through which mooring lines are fed.    

A deck fitting to guide an anchor, mooring, towing or docking line. Usually smooth shaped to reduce chafe.

a:Block: (1) When a line is pulled as tight as is can go, as when two blocks are pulled together so that no further movement is possible (also known as "Two blocked"). (2) (Chock ful [..]

 A piece of wood or other material put next to cargo to prevent it from shifting.

A heavy smooth-surfaced fitting usually located near the edge of the weather deck through which wire ropes or fiber hawsers may be led, usually to piers

A cradle or support for a lifeboat.

steel deck member, either oval or U-shaped, through which mooring lines are passed. Usually paired off with bitts.

A fitting on the edge of the hull through which lines or ropes are lead. The chick may be fitted with rollers turning on a horizontal axis, which allow the rope to move in and out while reducing friction on both the rope and the chock itself.

A fitting through which anchor or mooring lines are led. Usually U-shaped to reduce chafe

A fitting that a line can pass through and be controlled

Hole or ring attached to the hull to guide a line via that point

a guide or fairlead for an anchor, mooring or docking line, attached to the deck   See illustration at Deck Fittings on this page

(1) A deck fitting to guide an anchor, mooring, towing or docking line. Usually smooth shaped to reduce chafe. (2) A wedge or block to keep an object from moving.

A fitting through which anchor or mooring lines are led. Usually U-shaped to reduce chafe.

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

1. A confined space in which two chickens fight each other, especially when they can't find the airport in a rainstorm. 2. Area in which the pilot sits while attempting to figure out where he is.

1. Sudden and usually unpleasant surprise suffered by Mexican pilots. 2. Piece of wood the lineboy slips in front of wheel while pilot is not looking.

A wedge, usually made of hard rubber or steel, that is firmly placed under the wheel of a trailer, truck, or boxcar to stop it from rolling. Class I Carrier:

Any wooden block used as a wedge or filler (nautical) Any fitting or fixture used to restrict movement, especially movement of a line; traditionally was a fixture near a bulwark with two horns poi [..]