Join"der (?), n. [F. joindre. See Join, v. t.]

1. The act of joining; a putting together; conjunction.

Confirmed by mutual joinder of your hands.

2. (Law) (a) A joining of parties as plaintiffs or defendants in a suit. (b) Acceptance of an issue tendered in law or fact. (c) A joining of causes of action or defense in civil suits or criminal prosecutions.