Definition of trilithon in English:

trilithon

(also trilith)

noun

Archaeology
  • A megalithic structure consisting of two upright stones and a third across the top as a lintel.

    • ‘Rock art comprising images of axes and daggers was engraved into some of the trilithons and other sarsen stones.’
    • ‘The huge Ha'amonga trilithon, made of two stone columns topped with a notched column, was built around 1200 C.E.’
    • ‘The implications for ancient engineering works aren't lost on him, and he has used his techniques to raise Stonehenge-style trilithons.’
    • ‘Nevertheless it is most impressive and invigorating, a large oval of huge stones arranged as ‘menhirs, dolmens, trilithons and a tomb’.’

Origin

Mid 18th century: from Greek, from tri- three + lithos stone.

Pronunciation:

trilithon

/trʌɪˈlɪθ(ə)n/