window box
US /ˈwɪn.doʊ ˌbɑːks/
UK /ˈwɪn.doʊ ˌbɑːks/
1.
jardinière, bac à fleurs
a long, narrow container for growing plants, typically placed on a windowsill or attached to the outside of a window
:
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She filled the window box with colorful petunias.
Elle a rempli la jardinière de pétunias colorés.
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The old building had charming window boxes overflowing with geraniums.
Le vieux bâtiment avait de charmantes jardinières débordant de géraniums.