Definition of: join

(join) v.t.
1. To set or bring together; connect; combine: to join girders.
2. To come to a junction with; become part of: The path joins the road here.
3. To become a member of, as a club.
4. To unite in act or purpose: to join forces.
5. To come to as a companion or participant; meet and accompany: When will you join us?
6. To unite in marriage.
7. To engage in (battle, etc.).
8. Colloq. To adjoin.
9. Geom. To draw a straight line or curve between.
—v.i.
10. To come together; connect; unite: The roads joined.
11. To enter into association or agreement.
12. To take part: usually with in.
—to join up To enlist in a military service.
—noun A place of junction or contact; joint. [<OF joign-, stem of joindre <L jungere]