trabeate

/ˈtreɪbiˌeɪt/
adjective
  1. Relating to or having a structure that uses horizontal beams (lintels) supported by vertical posts or columns, rather than arches or vaults.
    • The ancient Greek temple had a trabeate design with stone beams resting on columns.
    • The museum's entrance featured a trabeate doorway with a heavy lintel.
    • Architects studied trabeate construction for its simple, strong lines.
Antonyms
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