Bible Dictionaries
Trilithon

Webster's Dictionary

(n.) A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts.

Bibliography Information
Webster, Noah. Entry for 'Trilithon'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trilithon.html. 1828.