It means "huge stone" and is used in the context of large prehistoric stones erected presumably for some reigious purpose.
"Megalith" means "large stone"; an antonym might be "pebble".
A megalith is a large stone that forms a prehistoric monument, such as a stone circle or chamber. Stonehenge is a well-known Megalith.
builders
A megalith is a large stone that has been used to construct a structure or monument, either alone or together with stones.
The Collins dictionary defines megalith as a stone of great size, especially part of a prehistoric monument.
To unlock Jet, you need to beat the Great Megalith time challenge with a 5 star ranking.
a megalith
A megalith is a large stone which has been shaped and set up. Megaliths are used in ancient monuents such as Stonehenge.
a megalith
megalith
Megalith builders
Megalith builders