Definition of organistrum in US English:

organistrum

noun

Early Music
  • An early form of a hurdy-gurdy, originally played by two players.

Origin

Mid 19th century; earliest use found in Journal of the Society of Arts. From post-classical Latin organistrum from classical Latin organum + -i- + -strum, extended form of -trum, instrumental suffix.

Pronunciation

organistrum

/ˌɔːɡəˈnɪstrəm/