Joint"er (?), n.
1.
One who, or that which, joints.
2.
A plane for smoothing the surfaces of pieces which are to be accurately joined
; especially: (a)
The longest plane used by a joiner
. (b) Coopering
A long stationary plane, for plaining the edges of barrel staves.
3. Masonry (a)
A bent piece of iron inserted to strengthen the joints of a wall.
(b)
A tool for pointing the joints in brickwork.
© Webster 1913.