the place or part where two things or parts are joined or united; the union of two or more smooth or even surfaces admitting of a close-fitting or junction; junction as, a joint between two pieces of timber; a joint in a pipe.-a joining of two things or parts so as to admit of motion; an articulation, whether movable or not; a hinge; as, the knee joint; a node or joint of a stem; a ball and socket joint.  see articulation.-the part or space included between two joints, knots, nodes, or articulations; as, a joint of cane or of a grass stem; a joint of the leg.-any one of the large pieces of meat, as cut into portions by the butcher for roasting.-a plane of fracture, or divisional plane, of a rock transverse to the stratification.-the space between the adjacent surfaces of two bodies joined and held together, as by means of cement, mortar, etc.; as, a thin joint.-the means whereby the meeting surfaces of pieces in a structure are secured together.-joined; united; combined; concerted; as joint action.-involving the united activity of two or more; done or produced by two or more working together.-united, joined, or sharing with another or with others; not solitary in interest or action; holding in common with an associate, or with associates; acting together; as, joint heir; joint creditor; joint debtor, etc.-shared by, or affecting two or more; held in common; as, joint property; a joint bond.-to unite by a joint or joints; to fit together; to prepare so as to fit together; as, to joint boards.-to join; to connect; to unite; to combine.-to provide with a joint or joints; to articulate.-to separate the joints; of; to divide at the joint or joints; to disjoint; to cut up into joints, as meat.-to fit as if by joints; to coalesce as joints do; as, the stones joint, neatly.