Definition of portative organ in English:

portative organ

noun

historical
  • A small portable pipe organ.

    • ‘For the Bach Consort's performance, J. Reilly Lewis conducted while playing some of the continuo parts on the portative organ, while Scott Dettra played the other continuo parts from the harpsichord.’
    • ‘Played here on portative organ, fiddle and harp, the dancing polyphony dazzles and delights.’
    • ‘Not until the 13th century do some of the earlier devices begin to reappear with the portative organ, for example keys that would return to their closed position when the finger was removed.’
    • ‘Erik Suter, who had performed the harmonium part in the Debussy on the small portative organ in the nave, went to the main organ in the choir for two pieces by Olivier Messiaen.’

Origin

Early 16th century (as a compound): portative from Old French portatif, -ive, apparently an alteration of portatil, based on Latin portare ‘carry’.

Pronunciation

portative organ

/ˈpɔːtətɪv/