Definition of quinticlave in English:

quinticlave

noun

historicalMusic
  • A keyed brasswind instrument of the early 19th cent., a type of upright alto ophicleide.

Origin

1970s. From quinti- + classical Latin clāvis key, apparently after French †quinte à clef (undated), probably so called with reference to its pitch.

Pronunciation

quinticlave

/ˈkwɪntɪˌkleɪv/