the GNU version of the Collaborative International Dictionary of English
adj. Mean; not extreme.
The Century Dictionary and Cyclopedia
In music, middle; half; mean; moderate. Abbreviated M.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a soprano with a voice between soprano and contralto
n. the female singing voice between contralto and soprano
Word Usage
"JACQUI JERAS, CNN METEOROLOGIST: Well, Fred, right now, that same area that you were just talking about, the NOAA storm prediction center here has just issued what we call a mezzo scale discussion."