interarching

/ˌɪntərˈɑrtʃɪŋ/
adjective
  1. Relating to or involving the connection or linking of arches, such as in architecture or engineering.
    • The garden's interarching trellises created a beautiful tunnel of climbing roses.
    • Engineers studied the interarching forces to ensure the cathedral's dome would remain stable.
    • The interarching design of the bridge allowed it to span the wide river without support pillars.
noun
  1. The act or process of connecting arches together.
    • Modern architecture often uses interarching to create open, airy spaces.
    • The interarching of the steel beams gave the building its distinctive curved roof.
    • The interarching of the stone arches required precise measurements and skilled masons.