adj.
Pitched in the first octave above the treble staff; high.
n.
- The first octave above the treble staff.
- A note or tone in the alt octave.
[Latin altus, high.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.