1. jointer - Noun
2. jointer - Adjective
One who, or that which, joints.
A plane for smoothing the surfaces of pieces which are to be accurately joined
The longest plane used by a joiner.
A long stationary plane, for plaining the edges of barrel staves.
A bent piece of iron inserted to strengthen the joints of a wall.
A tool for pointing the joints in brickwork.
Source: Webster's dictionary