bridle iron

from The Century Dictionary.

• noun A steel or wroughtiron loop or frame for supporting the end of a beam from a wall or another beam; a joisthanger.

from the GNU version of the Collaborative International Dictionary of English.

• (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun architecture 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.