巨石的
Megalith \Meg"a*lith\, n. [Mega- + -lith; cf. F. m['e]galithe.]
A large stone; especially, a large stone used in ancient
building. -- {Meg`a*lith"ic}, a.
megalithic
adj : of or relating to megaliths or the people who erected
megaliths; "megalithic monuments like Stonehenge"