1. Furnished with or supported by an impost (a stone or molding at the top of a pillar or wall that supports an arch or vault).
Usage: architecture; technical

Examples

• The imposted columns of the cathedral's nave displayed intricate carved details.
• The architect designed imposted pilasters to support the barrel vault.
• The bridge's imposted piers were reinforced with decorative stonework.
• The imposted capitals of the Romanesque church showed Byzantine influence.