Etymology

Adjective

1. Done by two or more people or organisations working together.

   The play was a joint production between the two companies.

Noun

1. The point where two components of a structure join, but are still able to rotate.

   This rod is free to swing at the joint with the platform.

2. The point where two components of a structure join rigidly.

   The water is leaking out of the joint between the two pipes.

3. Any part of the body where two bones join, in most cases allowing that part of the body to be bent or straightened.
4. A means of joining two pieces of wood together so that they interlock.

   The dovetail joint, while more difficult to make, is also quite strong.

5. A cut of meat.

   Set the joint in a roasting tin and roast for the calculated cooking time.

6. A fracture in which the strata are not offset; a geologic joint.
7. A restaurant, bar, nightclub or similar business.

   It was the kind of joint you wouldn't want your boss to see you in.

8. (always with the) prison

   I'm just trying to stay out of the joint.

9. A marijuana cigarette.

   After locking the door and closing the shades, they lit the joint.

Verb

1. To unite by a joint or joints; to fit together; to prepare so as to fit together; as, to joint boards.

   Pierced through the yielding planks of jointed wood. - Alexander Pope

2. To join; to connect; to unite; to combine.

   Jointing their force 'gainst Cæsar. -

3. To provide with a joint or joints; to articulate.

   The fingers are jointed together for motion. - Ray.

4. To separate the joints; of; to divide at the joint or joints; to disjoint; to cut up into joints, as meat.

   He joints the neck. - Dryden.

   Quartering, jointing, seething, and roasting. - Holland.

5. To fit as if by joints; to coalesce as joints do; as, the stones joint, neatly.