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joinder

American  
[join-der] / ˈdʒɔɪn dər /

noun

  1. the act of joining.

  2. Law.

    1. the joining of causes of action in a suit.

    2. the joining of parties in a suit.

    3. the acceptance by a party to an action of an issue tendered.


joinder British  
/ ˈdʒɔɪndə /

noun

  1. the act of joining, esp in legal contexts

  2. law

    1. (in pleading) the stage at which the parties join issue ( joinder of issue )

    2. the joining of two or more persons as coplaintiffs or codefendants ( joinder of parties )

    3. the joining of two or more causes in one suit

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of joinder

From the French word joindre, dating back to 1595–1605. See join, -er 3