WordNet
coat button
n. a button on a coat
Usage examples of "coat button".
She patted the coat button and began adjusting his coat -- which it did not need -- and smoothing his lapels -- which they did not need.
It was lit, and extinguished, by what appeared to be a coat button attached to the base.
Birdy pulled free of Grace's grip and closed her last coat button.
At first he thought it was a spider or even a piece of gum but when he got closer he realized it was a microphone no bigger than a man's coat button.