valentine's day
US /ˌvæl.ən.taɪnz ˈdeɪ/
UK /ˌvæl.ən.taɪnz ˈdeɪ/

1.
San Valentino
a day when lovers express their affection for each other with greetings and gifts. It is celebrated on February 14.
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Are you doing anything special for Valentine's Day this year?
Fai qualcosa di speciale per San Valentino quest'anno?
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He gave her a bouquet of roses for Valentine's Day.
Le ha regalato un bouquet di rose per San Valentino.