Join"der (?), n. [F. joindre. See Join, v. t.]
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.
Acceptance of an issue tendered in law or fact.
A joining of causes of action or defense in civil suits or criminal prosecutions.
© Webster 1913.