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Webster 1913 Edition

Noun.

[F.

archivolte

, fr. It.

archivolto

; pref.

archi-

volto

vault, arch. See

(Arch.)

(a)

The architectural member surrounding the curved opening of an arch, corresponding to the architrave in the case of a square opening.

(b)

More commonly, the molding or other ornaments with which the wall face of the voussoirs of an arch is charged.

archivolt ‎(plural archivolts)

an ornamental molding or band following the underside of an arch