Emily Dickinson Lexicon

JOINT, n. [Fr. joint; Sp. junta, juntura; It. giuntura; L. junctura. See Join.]

1. The joining of two or more things.
2. In anatomy, the joining of two or more bones; an articulation; as the elbow, the knee, or the knuckle.
3. A knot; the union of two parts of a plant; or the space between two joints; an internode; as, the joint of a cane, or of a stalk of maiz.
4. A hinge; a juncture of parts which admits of motion.
5. The place where two pieces of timber are united.
6. In joinery, straight lines are called a joint, when two pieces of wood are planed. – Moxon.
7. One of the limbs of an animal cut up by the butcher. Out of joint, luxated; dislocated; as when the head of a bone is displaced from its socket. Hence figuratively, confused; disordered; misplaced.