transverse barrel vault
A vault in which each bay consists of a barrel or tunnel which is set at right angles to the main longitudinal direction of the nave. .(4B, 5B) transverse barrel vault. A barrel (or tunnel) vault whose component sections are set at right angles to the main longitudinal direction of the nave.(5B) Other types of barrel vault: longitudinal See also: barrel vault, groin vault. (Medieval Art, 2020)