megalith

American  

[meg-uh-lith] / ˈmɛg ə lɪθ /

noun

1. a stone of great size, especially in ancient construction work, as the Cyclopean masonry, or in prehistoric Neolithic remains, as dolmens or menhirs.

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megalith British  

/ ˈmɛɡəlɪθ /

noun

1. a stone of great size, esp one forming part of a prehistoric monument See also alignment circle

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Other Word Forms

• megalithic
  adjective

Etymology

Origin of megalith

First recorded in 1850–55; mega- + -lith

Example Sentences

See Examples For:

megalith

The focus of the research is the Altar Stone, a six-ton sandstone megalith located at the center of Stonehenge.

From Science Daily ● Jun. 9, 2026

Among the places visited is Stonehenge, the megalith circle on Salisbury Plain in Wiltshire, England.

From The Wall Street Journal ● Jan. 16, 2026

A bigger company can negotiate better terms with the megalith, hold the line against its profit-busting discounts.

From Los Angeles Times ● Dec. 4, 2020

In 2017, it sold another 50 percent to the Carlyle Group, the P.E. megalith.

From New York Times ● Nov. 10, 2020

The central office is a handsome 1940s-era megalith in late Art Deco, eight stories high.

From The Hacker Crackdown, law and disorder on the electronic frontier by Bruce Sterling