Definition of adjoinder in English:

adjoinder

noun

  • That which is joined on to something else; an added statement; an addition.

Origin

Early 17th century; earliest use found in Robert Parsons (1546–1610), Jesuit. From Anglo-Norman adjoinder, Anglo-Norman and Middle French adjoindre adjoin; compare -er.

Pronunciation:

adjoinder

/əˈdʒɔɪndə/