a monumental archway, often erected in permanent materials as a commemorative structure, straddling the line of march of a victorious army during a triumphal procession.
an architectural motif resembling in its composition an ancient Roman triumphal arch, having one high central archway flanked by side elements composed of lower arches, compartments, bas-reliefs, etc., the whole usually adorned by a huge order.
Origin of triumphal arch
First recorded in 1540–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an arch built to commemorate a victory
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012