Emily Dickinson Lexicon

COR'O-NET, n. [from corona, a crown.]

1. An inferior crown worn by noblemen. The coronet of a duke is adorned with strawberry leaves; that of a marquis has leaves with pearls interposed; that of an earl raises the pearls above the leaves; that of a viscount is surrounded with pearls only; that of a baron has only four pearls. Johnson.
2. In poetical language, an ornamental head-dress. Coronet of a horse. [See Cornet.]