morning coat
US /ˈmɔːr.nɪŋ ˌkoʊt/
UK /ˈmɔːr.nɪŋ ˌkoʊt/

1.
tight
a man's formal coat with a long tail at the back, worn for formal daytime occasions
:
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The groom wore a traditional morning coat for the wedding.
Lo sposo indossava un tradizionale tight per il matrimonio.
•
He looked very elegant in his tailored morning coat.
Sembrava molto elegante nel suo tight su misura.