to bring together, literally or figuratively; to place in contact; to connect; to couple; to unite; to combine; to associate; to add; to append.-to associate one's self to; to be or become connected with; to league one's self with; to unite with; as, to join a party; to join the church.-to unite in marriage.-to enjoin upon; to command.-to accept, or engage in, as a contest; as, to join encounter, battle, issue.-to be contiguous, close, or in contact; to come together; to unite; to mingle; to form a union; as, the hones of the skull join; two rivers join.-the line joining two points; the point common to two intersecting lines.