Tailcoat (noun)

A man's formal dress coat with a long back and cutaway front.

Origin:

The word 'tailcoat' comes from the late 17th century and is a combination of the words 'tail' and 'coat'. this refers to the long tail-like back of the coat which was a popular style at the time.

Examples:

1. The groom wore a black tailcoat to his wedding.
2. The butler was dressed in a traditional tailcoat and white gloves.
3. The performer donned a glittering tailcoat for his magic show.
4. The orchestra conductor looked regal in his white tailcoat.
5. The actor playing the part of a wealthy 19th-century gentleman was dressed in a red tailcoat.