trilithon
/trʌɪˈlɪθ(ə)n
/(also trilith /ˈtrʌɪlɪθ/)
noun Archaeology
A megalithic structure consisting of two upright stones and a third across the top as a lintel.Nevertheless it is most impressive and invigorating, a large oval of huge stones arranged as ‘menhirs, dolmens, trilithons and a tomb’....
- Rock art comprising images of axes and daggers was engraved into some of the trilithons and other sarsen stones.
- The implications for ancient engineering works aren't lost on him, and he has used his techniques to raise Stonehenge-style trilithons.
Origin
Mid 18th century: from Greek, from tri- 'three' + lithos 'stone'.