Definition from Wiktionary, the free dictionary
altissimo (plural altissimos)
- (music) The highest register of a woodwind instrument, or a specific note in this register
2007, January 14, “Ben Ratliff”[New York Times], Michael Brecker Dies at 57; Prolific Jazz Saxophonist:
- He could fold the full pitch range of the horn into a short solo, from altissimo to the lowest notes, and connect rarefied ideas to the rich, soulful phrasing of saxophonists like Junior Walker.