Definitions
1.noun(grammar) In some Indo-European languages, a prefix e- (a- in Sanskrit) indicating a past tense of a verb.
2.noun(grammar) In some Bantu languages, an additional vowel prepended to the noun prefix.
3.nounAn increase.
4.verbTo increase; to make larger or supplement."The money from renting out a spare room can augment a salary."
5.verbTo grow; to increase; to become greater.
6.verbTo slow the tempo or meter, e.g. for a dramatic or stately passage.
7.verbTo increase an interval, especially the largest interval in a triad, by a half step (chromatic semitone).
8.verb(grammar) To add an augment to.