(Archaeology)of, relating to, or denoting prehistoric monuments made of or containing megaliths (考古)史前巨石的 ■(常作 Megalithic)of, relating to, or denoting prehistoric cultures characterized by the erection of megalithic monuments (与)史前巨石文化(有关)的 ■(Figurative)massive or monolithic (喻)宏大的;独块巨石的,磐石的 the weekly meetings were megalithic in proportion. 周会规模盛大。