Skid

n. [Written also skeed.] [From the root of shide, q. v.]

1. (Naut.) A piece of timber placed up and down the side of a vessel, to preserve it from injury by heavy bodies hoisted or lowered against it. Totten.
2. A chain used for fastening the wheel of a wagon, to prevent its turning when descending a steep hill.
3. A piece of timber used for supporting any thing, or along which something is rolled or caused to move. [U. S.]