Definition of: joint

(joint) noun
1. The place, point, line, or surface where two or more things are joined together; a junction or mode of junction; hinge.
2. An articulation or place of natural or easy separation between two parts, as of a machine, animal, or plant; a node; also, an internode or portion between two nodes or joints.
3. Anat. A place of union of two bones or separate parts of the skeleton; an articulation.
4. Geol. One of a series of approximately parallel divisional planes occurring in many rocks.
5. One of the pieces into which a carcass is divided by the butcher.
6. U. S. Slang A marihuana cigarette.
7. U. S. Slang A place of low resort, as for gambling.
8. U. S. Slang Any place of dwelling or gathering.
—out of joint
1. Not fitted at the joint; dislocated.
2. Disordered; disorganized.
—adjective
1. Produced by combined action.
2. Sharing together.
3. Participated in or used by two or more; held or shared in common.
4. Law Joined together in unity of interest or of liability: opposed to several.
5. Of or relating to both branches of a legislature: a joint session. See synonyms under MUTUAL.
—v.t.
1. To fasten by means of a joint or joints.
2. To form or shape with a joint or joints, as a board.
3. To separate into joints, as meat. [<OF <L junctus, pp. of jungere join]
—joint′less adjective