tuxedo
Concise Oxford English Dictionary © 2008 Oxford University Press:
tuxedo /tʌkˈsiːdəʊ/
▶noun (pl. tuxedos or tuxedoes) chiefly N. Amer. a man's dinner jacket.
■ a formal evening suit including such a jacket.
– derivatives
tuxedoed adjective.
tuxedoed adjective.
– origin C19: from Tuxedo Park, the site of a country club in New York.
'tuxedo' also found in these Oxford entries:

