'annulet' definitions:

Definition of 'annulet'

From: WordNet
noun
(heraldry) a charge in the shape of a circle; "a hollow roundel" [syn: annulet, roundel]
noun
Molding in the form of a ring; at top of a column [syn: annulet, bandelet, bandelette, bandlet, square and rabbet]
noun
A small ring