What is "entablatures"

Usage examples of "entablatures".

Caryatid, he patient sits, upholding on his frozen brow the piled entablatures of ages.

However, most of the ornate spires, great sweeping colonnades, and huge rotundas, with their tall round-topped arches, monolithic lintels, and carved entablatures, were now engulfed by a sprawl of ersatz rococo domes and obelisks, which catered to the banal tastes of the gamblers and hedonists who frequented the planet in droves, and the whole of it was fissured by a labyrinth of narrow stairways, curving ramps, sheltered bridges, and dank tunnels.