Definitions

1. noun

A very large stone or stone monument, especially one of prehistoric origin, often used to construct a tomb or monument.

“The ancient temple was built using megaliths that weighed several tons each.”

2. noun

A large stone or rock formation, such as a rock outcrop, used as a landmark or monument.

“The hikers had to navigate around the megalith to continue on their journey.”

3. noun

A very large structure or entity, especially in an abstract or metaphorical sense.

“The corporation was a megalith in the industry, with thousands of employees and billions of dollars in revenue.”