What is a name popularly given to any flag which hangs from a crosspiece or frame instead of from the staff or the mast itself. Standards and gonfalons, 'twixt van and rear, Stream in the air. Milton called?

gonfalon — A name popularly given to any flag which hangs from a crosspiece or frame instead of from the staff or the mast itself. Standards and gonfalons, 'twixt van and rear, Stream in the air. Milton. (Webster's 1913.)