Difference between Dress Suit and Tailcoat

DRESS SUIT vs TAILCOAT: NOUN

Any coat with similar tails.
A formal evening jacket with an extended back panel; a dress coat.
A man's black coat worn for formal daytime occasions and having a long rounded and split tail.
Formalwear consisting of full evening dress for men

Dress, Sport coat, Tuxedo, Shirtwaister, Academic gown, Morning dress, Formalwear, Dinner jacket, Dinner dress, White tie, White tie and tails, Full dress, Tail coat, Tails, Tailcoat

Mandarin collar, Cummerbund, Panama hat, Cravat, Tux, Duffel coat, Frock coat, Tuxedo, Waistcoat, Dress suit, Tail coat, White tie, Full dress, White tie and tails, Tails

Sport jacket, Attire, Dress, Sport coat, Tuxedo, Shirtwaister, Academic gown, Morning dress, Formalwear, Dinner jacket, Dinner dress, White tie, Full dress, Tails, Tailcoat

Titfer, Greatcoat, Mandarin collar, Cummerbund, Panama hat, Cravat, Tux, Duffel coat, Frock coat, Tuxedo, Waistcoat, White tie, Full dress, Dress suit, Tails

Then, the faces of a young man in a dress suit and a woman with long hair appeared.
Higher the video failed to add the post is a dress suit, the popularity index.
Night he ran round to us to borrow a dress suit for that concert.
Norwegian prince who later became King Harald, a dress suit visible in patriotic photographs of the royal family.
Have you a silk hat and a dress suit?
If that is not your style, then a dress suit can work too well.
Mary left the room and returned with her best dress suit on.
Leghorn you can get a full dress suit for the same money.
Looking for the finishing touch to your 1920s fancy dress suit?.
For female employees, a dress, suit or blouse with dress slacks or skirt.

The captain would crackle a few words, and off the steward would bustle with a terrified face, gesturing at the waiters, long tailcoat flapping.
Specific Regulations Surprisingly, the tailcoat remains optional mess dress for a number of military branches even to this day.