noun
tuxedo
tuk-SEE-doh/tʌkˈsiːdəʊ/
A formal matching evening suit.
Satin lapels and a satin trouser stripe distinguish this black tuxedo.

Etymology
Tuxedo Park gave its name to the formal outfit through its country club, where the jacket was supposedly first worn. A resort name thus became a clothing name.
In context
tuxedo pants should always have a plain bottom the clean line matches the simplicity and elegance of the tuxedo and it's the most formal way to finish the bottom of the pants
More examples
- He rents a tuxedo for his sister's evening wedding.
- Guests wear tuxedos to the formal charity dinner.
- My tuxedo needs a few alterations before the gala.
Forms
tuxedo · tuxedos
Similar words
- tux
- Tux is an informal shortening for the same formal outfit.
- suit
- Suit is broader and includes ordinary business clothing.