CHOCK

Chock

Wheel chocks are wedges of sturdy material placed behind a vehicle's wheels to prevent accidental movement. Chocks are placed for safety in addition to setting the brakes. The bottom surface is sometimes coated in rubber to enhance grip with the ground. For ease of removal, a rope may be tied to the chock or a set of two chocks. One edge of the wedge has a concave profile to contour to the wheel and increase the force necessary to overrun the chock. Most commonly, chocks are seen on aircraft and train cars.

The above text is a snippet from Wikipedia: Chock (wheel)
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chock

Noun

  1. Any wooden block used as a wedge or filler
  2. Any fitting or fixture used to restrict movement, especially movement of a line; traditionally was a fixture near a bulwark with two horns pointing towards each other, with a gap between where the line can be inserted.
  3. Blocks made of either wood, plastic or metal, used to keep a parked aircraft in position.

Noun (etymology 2)

  1. An encounter.

Verb

  1. To stop or fasten, as with a wedge, or block; to scotch.
  2. To fill up, as a cavity.
  3. To insert a line in a chock.

Verb (etymology 2)

  1. To encounter.

Verb (etymology 3)

  1. To make a dull sound.

Adverb

  1. Entirely; quite.
    chock home; chock aft


The above text is a snippet from Wiktionary: chock
and as such is available under the Creative Commons Attribution/Share-Alike License.

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