Definition of ad referendum in English:

ad referendum

adverb

  • Pending the assent of the parties involved, or a higher authority; subject to agreement by other parties and (now usually) to finalization of the details.

adjective

  • Relating to or designating a decision, arrangement, etc., made on such a basis; that is subject to agreement by other parties.

Origin

Early 18th century; earliest use found in Abel Boyer (?1667–1729), lexicographer and journalist. From post-classical Latin ad referendum pending the assent of the parties involved, subject to agreement from classical Latin ad + referendum.

Pronunciation

ad referendum

/ˌad rɛfəˈrɛndəm/