from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Pitched in the first octave above the treble staff; high.
- n. The first octave above the treble staff.
- n. A note or tone in the alt octave.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- abbr. Alternative.
- abbr. Alternate.
- abbr. Altitude.
- abbr. Alto.
- abbr. A state of excitement, conveyed by a high pitched voice.
- n. One of a player's alternate or secondary characters.
from the GNU version of the Collaborative International Dictionary of English
- The higher part of the scale. See alto.
from The Century Dictionary and Cyclopedia
- In music, an abbreviation of alto, high: much used in compound words, as alt-horn, alt-clarinet.
- An abbreviation of altitude.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. angular distance above the horizon (especially of a celestial object)
Latin altus, high; see al-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)