trilith
/ˈtraɪlɪθ/
noun
- A structure consisting of two large upright stones supporting a third stone laid horizontally across the top, typical of ancient megalithic monuments.
- The ancient site features a trilith that has stood for over 4,000 years.
- Tourists marveled at the massive trilith, balancing its heavy capstone perfectly.
- Archaeologists carefully measured the trilith to understand how it was constructed.