What is "bridle iron"

Bridle iron \Bri"dle i`ron\ (Arch.) A strong flat bar of iron, so bent as to support, as in a stirrup, one end of a floor timber, etc., where no sufficient bearing can be had; -- called also stirrup and hanger.

n. (context architecture English) A strong flat bar of iron, bent so as to support, as in a stirrup, one end of a floor timber, etc. where no sufficient bearing can be had.