coatrail

noun
UK /ˈkəʊt.reɪl/
US /ˈkoʊt.reɪl/

The back bottom part of a coat that hangs down behind you.

Her coatrail flapped in the wind as she ran to school.


OTHER MEANINGS

2. The long back section of a formal tailcoat.

The dancer's coatrail swung out as he spun around.

3. A strip of fabric attached at the back of a garment for decoration.

The old uniform had a bright red coatrail.

4. The trailing part of something that follows behind, like a coat's tail.

A coatrail of dust followed the cart down the road.