megalithic
🇺🇸
/ˌmeɡəˈlɪθɪk/
🇬🇧
/ˌmeɡəˈlɪθɪk/
relating to very large stones used in ancient ceremonial structures
The megalithic structures at Stonehenge are a marvel of ancient engineering.
ストーンヘンジの巨石構造は古代の工学の驚異です。