Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Music any of the diatonic scales having the eight tones succeeding by whole tones but with a semitone between the third and fourth and seventh and eighth tones: there are twelve major scales, one in each key
Used by arrangement with John Wiley & Sons, Inc.
noun MusicThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A diatonic scale having half steps between the third and fourth and the seventh and eighth degrees and whole steps between the other adjacent degrees.