Venetian motif

Palladian motif, Serlian motif, Venetian motif

A door or window opening in three parts, divided by posts, with a lintel flat over each side but arched over the center.
References in periodicals archive ?
The rooms are based on a variety of themes - mine had a charmingly gaudy Venetian motif but not much time was spent in it.
Looking closely you will see a touch of Rococo and an array of Venetian motifs.