Noun
coathanger (plural coathangers)
Alternative spelling of coat hanger
Imagine this guy hits Mike Hammer over the head with a wooden coathanger and knocks him out. You hit Mike Hammer over the head with a wooden coathanger, he'll beat the crap out of you. Mickey Spillane
The bridge is nicknamed "The Coathanger" because of its arch-based design citation citation or is simply called "the Bridge" by Sydney residents. Source: Internet