Pronunciation: (ôg"men-tā'shun), [key]
1. the act of augmenting; state of being augmented.
2. that by which anything is augmented.
3. Music.modification of a theme by increasing the time value of all its notes.
4. Heraldry.an addition to a coat of arms granted to a person by a sovereign power in recognition of a notable action.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.