copestone

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a final touch;
a crowning achievement;
a culmination
• Syn:
finishing touch, capstone
• Hypernyms:
touch
2. a stone that forms the top of wall or building
• Syn:
capstone, coping stone, stretcher
• Hypernyms:
stone
• Part Holonyms:
wall