http://en.wiktionary.org/wiki/tuxedoEtymology
From Tuxedo Park, New Jersey, USA, where the fashion originated.
Pronunciation
* enPR: tŭksē'dō
* IPA: /tʌkˈsiːdəʊ/ (UK) or /tʌkˈsidoʊ/ (US)
* SAMPA: /tVk"si:d@U/ (UK) or /tVk"sidoU/ (US)
Singular
tuxedo
Plural
tuxedos or tuxedoes
1. A typically black formal jacket worn by men
2. The entire suit complementing and including this jacket
Synonyms
(formal jacket)
* dinner jacket
* smoking jacket
(formal suit)
* black tie
http://en.wiktionary.org/wiki/black_tieblack tie
1. Evening dress which is less formal than white tie, consisting of black dinner jacket, and matching trousers, white shirt and black bow tie, alternatively military dress, or national costume.
(Ich muß dabei immer an "Tuxedo Mask" aus Sailor Moon denken.*gg*)