Lapel

She fastened the medal on the lapel with a pin.

The tall man wore a pink carnation in his lapel.

Pin the flower on your lapel.

A collar may come in many varieties, from button-down to clerical, and Mandarin to Masonic, but it is never a lapel.

Did you get a good look at the pin he was wearing on his lapel?

He grabbed him by the lapel.

His sister, Mrs. Gerard, stood there in carriage gown and sables, radiant with surprise. ¶ “Phil ! You ! Exactly like you, Philip, to come strolling in from the antipodes—dear fellow !” recovering from the fraternal embrace and holding both lapels of his coat in her gloved hands.