1. Agreement; harmony; accord.
2. 1. Close correspondence of sounds.
   2. The repetition of consonants or of a consonant pattern, especially at the ends of words, as in blank and think or strong and string.
3. Music. A simultaneous combination of sounds not requiring resolution to another combination of sounds for finality of effect and conventionally regarded as harmonious or pleasing.

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.