'Trilithon' definitions:
Definition of 'Trilithon'
From: GCIDE
- Trilithon \Tril"i*thon\ (tr[i^]l"[i^]*th[o^]n), n.; pl. Trilithons. [NL., fr. Gr.? of or with three stones; ? (see Tri-) + ? stone.] (Archaeol.) A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts. [1913 Webster]