trilithon

noun

tri·​lithon

(ˈ)trī¦liˌthän,

ˈtrīləˌth-

variants or less commonly trilith

ˈtrīˌlith

plural -s

: an ancient stone monument consisting of two upright megaliths carrying a third as a lintel

Word History

Etymology

New Latin trilithon, from Greek, neuter of trilithos of three stones, from tri- three + lithos stone

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