An annulet is a small square component in the Doric capital, under the quarter-round. It is also called a fillet or listel, although fillet and listel are also more general terms for a narrow band or strip,^[1] such as the ridge between flutes.

An annulet is also a narrow flat architectural moulding, common in other parts of a column, viz. the bases, as well as the capital. It is so called, because it encompasses the column round.^{[clarification needed]} In this sense, annulet is frequently used for baguette or little astragal.

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  Carved wood annulet