Wordnet 3.0
ADJECTIVE (1)
1.
of or relating to megaliths or the people who erected megaliths;
- Example: "megalithic monuments like Stonehenge"
The Collaborative International Dictionary of English v.0.48:
Megalith \Meg"a*lith\, n. [Mega- + -lith; cf. F. m['e]galithe.]
A large stone; especially, a large stone used in constructing
ancient monuments. -- Meg`a*lith"ic, a.
[1913 Webster]
The Collaborative International Dictionary of English v.0.48:
megalithic \megalithic\ adj.
Of or pertaining to megaliths or the period during which they
were erected; as, megalithic monuments like Stonehenge.
[WordNet 1.5]
WordNet (r) 3.0 (2006):
megalithic
adj 1: of or relating to megaliths or the people who erected
megaliths; "megalithic monuments like Stonehenge"