1. one of a series of steps or tiers, especially in an amphitheater or stadium
Usage: architecture
2. a raised shelf or ledge behind an altar
Usage: ecclesiastical

Examples

• The ancient amphitheater had stone gradins rising up the hillside.
• Spectators filled every gradin in the stadium.
• The architect designed curved gradins for better sightlines.
• Each gradin was wide enough for comfortable seating.
• The altar’s gradin held ceremonial candles.
• Flowers were arranged on the marble gradin behind the altar.