plus fours
US /ˌplʌs ˈfɔːrz/
UK /ˌplʌs ˈfɔːrz/

1.
plus-fours, pantalon de golf
a type of baggy trousers that reach to just below the knee, traditionally worn by men for sports such as golf or shooting
:
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He looked quite dapper in his tweed jacket and plus fours.
Il avait l'air très élégant dans sa veste en tweed et ses plus-fours.
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The old golfer still preferred to wear his traditional plus fours on the course.
Le vieux golfeur préférait toujours porter ses plus-fours traditionnels sur le parcours.