The Symbolism of Heraldry, part 4 " Augmentation "
Augmentation, or augmentation of honor, is a term describing the addition to a coat of arms at a later date to the original granting of the arms. This augmentation is usually granted by a sovereign to commemorate worthy or illustrious deeds. These augmentations usually take the form of an escutcheon ( a smaller shield within the arms), a canton ( a square in the top left of the arms), or an additional charge to the arms.While most augmentations are simple as in the example above, there are also examples of over the top additions to arms such as that of the arms of Ross, image above. The original arms, Gules three estoiles in chevron between as many lions rampant argent...