Any object used as a wedge or filler, especially when placed behind a wheel to prevent it from rolling.

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.

To stop or fasten, as with a wedge, or block; to scotch.

To fill up, as a cavity.

To insert a line in a chock.

Entirely; quite.