clerical collar
Roman collar
dog collar

They will be told they cannot wear their Roman collars.

It was full, white, and long enough to hide his Roman collar.

A lean dark figure in a Roman collar followed it.

He was dressed all in black, with his Roman collar tight at the neck.

"You are embarrassed to walk down the street in a Roman collar any more," the priest said.

Whether or when they wear the Roman collar after that is a secondary issue.

He was short and stocky, dressed all in black with a Roman collar.

How many are not over Roman collars or under veils?

He had pulled his coat open to reveal a Roman collar.

I always wear the Roman collar with a cross around my neck.