tailcoat
US /ˈteɪl.koʊt/
UK /ˈteɪl.koʊt/
1.
queue-de-pie, frac
a man's formal coat, black or dark blue, with a long skirt divided into two tails at the back, worn for formal evening occasions.
:
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He looked very distinguished in his black tailcoat.
Il avait l'air très distingué dans sa queue-de-pie noire.
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The orchestra members wore tailcoats for the concert.
Les membres de l'orchestre portaient des queues-de-pie pour le concert.