trilithon
Tril"i*thon (trîl"î*thôn), n.; pl. Trilithons Etym: [NL., fr. Gr.Tri- ) + (Archæol.) Defn: A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts.
Tril"i*thon (trîl"î*thôn), n.; pl. Trilithons Etym: [NL., fr. Gr.Tri- ) + (Archæol.) Defn: A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts.