n. The highest register of a woodwind instrument, or a specific note in this register
the GNU version of the Collaborative International Dictionary of English
n. The part or notes situated above F in alt.
The Century Dictionary and Cyclopedia
A musical term used in the phrase in altissimo, literally in the highest, that is, in the second octave above the treble staff, beginning with G. See alt.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. very high
Word Usage
"So if you enter the search terms: "altissimo" sigurd, you will get results on: alto and sigurd, which are entirely different."