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[trahy-lith-on, trahy-luh-thon] /traɪˈlɪθ ɒn, ˈtraɪ ləˈθɒn/
a prehistoric structure consisting of two upright stones supporting a horizontal stone.
Also, trilith
[trahy-lith] /ˈtraɪ lɪθ/ (Show IPA)
Origin of trilithon
1730-40; < Greek trílithon, neuter of trílithos having three stones. See tri-, -lith Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for trilithon
Historical Examples
  • There is a rude circle of menhirs at the site, with a trilithon or dolmen on one side.

    Palestine Claude Reignier Conder
  • He took the boy across to the trilithon, and made him kneel down.

  • Those next to the great trilithon on the north-west, fell on January 3rd, 1797.

    Stonehenge Frank Stevens
  • One upright of the great trilithon (raised and made secure in 1901) is erect.

    Stonehenge Frank Stevens
  • He then went a second time to the hollow behind the trilithon, remaining there nearly a quarter of an hour.

  • The boy remained in the hut, confronting the trilithon as if he expected yet more actors on the scene, but nobody else appeared.

  • The building of the group was continuous and no gap separates the trilithon from the foreign upright.

    Stonehenge Frank Stevens
British Dictionary definitions for trilithon


/traɪˈlɪθɒn; ˈtraɪlɪˌθɒn/
a structure consisting of two upright stones with a third placed across the top, such as those of Stonehenge
Derived Forms
trilithic (traɪˈlɪθɪk) adjective
Word Origin
C18: from Greek; see tri-, -lith
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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