Aigret

noun

1. The small white heron. See egret.
2. A plume composed of feathers arranged in imitation of the feathers on the head of the heron, and worn on helmets or by ladies as a part of their head-dress, etc.
3. A copy in jewelry of such a plume, often so made that the seeming feathers tremble with the movements of the wearer, causing the gems to sparkle.
4. In botany, same as egret.
5. In ichthyology, a labroid fish, Lachnolæmus maximus, better known as the hogfish (which see).