dosseret

[ dos-uh-ret ]
/ ˌdɒs əˈrɛt /

noun Architecture.

a supplementary capital or thickened abacus, as in Byzantine architecture.

Origin of dosseret

1860–65; < French, diminutive of dossier dosser1
Also called impost block.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019