the GNU version of the Collaborative International Dictionary of English
n. The act of harmonizing.
The Century Dictionary and Cyclopedia
n. The act of harmonizing, or the state of being harmonized. Also spelled harmonisation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. singing in harmony
n. a piece of harmonized music
Word Usage
"David: If music school taught me anything, it's that four-part chorale harmonization is at least as arcane and specialized as anything Schoenberg came up with."