An Augmentation

1. The act or process of augmenting.
2. (heraldry) A particular mark of honour, granted by the sovereign in consideration of some noble action, or by favour; and either quartered with the family arms, or on an escutcheon or canton.
3. (medicine) A surgical procedure to enlarge a body part, as breast augmentation.
4. (medicine) The stage of a disease during which symptoms increase or continue.
5. (music) A compositional technique where the composer lengthens the melody by lengthening its note values.
6. (Scotland, law) An increase of stipend obtained by a parish minister by an action raised in the Court of Teinds against the titular and heritors.