- A long, narrow box in which flowers and other plants are grown, placed on an outside windowsill.More example sentences
- You don't need an elaborate set-up to paint your window box before planting it.
- Lace curtains hung in the windows and just outside, lavender was growing in the window box.
- Charlie asked as Uncle Henry turned to leave, ‘Can she plant some flowers in the window box?’
More definitions of window boxDefinition of window box in:
- The US English dictionary