trilithon

[ trahy-lith-on, trahy-luh-thon ]
/ traɪˈlɪθ ɒn, ˈtraɪ ləˈθɒn /

noun

a prehistoric structure consisting of two upright stones supporting a horizontal stone.
Also tri·lith [trahy-lith] /ˈtraɪ lɪθ/.

Origin of trilithon

1730–40; < Greek trílithon, neuter of trílithos having three stones. See tri-, -lith
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for trilithon

trilithon

trilith (ˈtraɪlɪθ)

/ (traɪˈlɪθɒn, ˈtraɪlɪˌθɒn) /

noun

a structure consisting of two upright stones with a third placed across the top, such as those of Stonehenge

Derived forms of trilithon

trilithic (traɪˈlɪθɪk), adjective

Word Origin for trilithon

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