Webster's Revised Unabridged Dictionary · 1913

Skid

Skid (skid) , noun

[Icelandic skīe a billet of wood. See Shide.]

1.
A shoe or clog, as of iron, attached to a chain, and placed under the wheel of a wagon to prevent its turning when descending a steep hill; a drag; a skidpan; also, by extension, a hook attached to a chain, and used for the same purpose.
2.
(Nautical) A piece of timber used as a support, or to receive pressure.
(a)
(Nautical) Large fenders hung over a vessel's side to protect it in handling a cargo.
(b)
(Nautical) One of a pair of timbers or bars, usually arranged so as to form an inclined plane, as form a wagon to a door, along which anything is moved by sliding or rolling.
(c)
(Nautical) One of a pair of horizontal rails or timbers for supporting anything, as a boat, a barrel, etc. — Totten
3.
(Aeronautics) A runner (one or two) under some flying machines, used for landing.
4.
A low movable platform for supporting heavy items to be transported, typically of two layers, and having a space between the layers into which the fork of a fork lift can be inserted; it is used to conveniently transport heavy objects by means of a fork lift; -- a skid without wheels is the same as a pallet.
5.
Declining fortunes; a movement toward defeat or downfall; -- used mostly in the phrase on the skids and hit the skids.
6.
Act of skidding; -- called also side slip.

Skid , transitive verb

1.
To protect or support with a skid or skids; also, to cause to move on skids.
2.
To check with a skid, as wagon wheels. — Dickens
3.
(Forestry) To haul (logs) to a skid and load on a skidway.

Skid , intransitive verb

1.
To slide without rotating; -- said of a wheel held from turning while the vehicle moves onward.
2.
To fail to grip the roadway; specif., to slip sideways on the road; to side-slip; -- said esp. of a cycle or automobile.