Definify.com
Webster 1913 Edition
Joinder
1.
The act of joining; a putting together; conjunction.
Confirmed by mutual
joinder
of your hands. Shakespeare
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.
Webster 1828 Edition
Joinder
JOIN'DER
,Noun.