tiered seat

Từ điển WordNet v3.1 - WordNet Dictionary

noun

seating that is arranged in sloping tiers so that spectators in the back can see over the heads of those in front
• Hypernyms:
seating, seats, seating room, seating area
• Hyponyms:
stand
• Part Holonyms:
stadium, bowl, arena, sports stadium, theater,
theatre, house, amphitheater, amphitheatre