An instrument, appliance, or device, for some service suggesting or taken to suggest that of a horse. A wedge passed through the pin which holds…

A wedge (usually of iron) thrust through a hole in the end of a bolt in order to keep it in its place. Now chiefly Nautical.

Printing. A (typically wedge-shaped) device used to lock up a forme of type. Now chiefly historical.

The movable slip of wood, tapered on one side, by means of which the blade of a carpenter's plane is adjusted and fastened in the stock.

One placed between casks on board ship (see cantic, adj.).

concrete. A wedge-shaped piece or pieces of some hard material driven in for tightening or securing.