Dosseret
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Dosseret
A deep block sometimes placed above a Byzantine capital to support the wide voissoirs of an arch above; also, an isolated section of an entablature above a column.
dosseret
A member or supplementary capital resting on the top of the capital of a column; see impost block; also called a double capital.
impost block, dosseret, supercapital
A transitional member, often tapered, placed above a column capital to receive the thrust of vaults or arches.