window box

noun

1. a box for growing plants, placed at or in a window.

2. a hollow space in a window frame for a sash weight.

window box

noun

1. a long narrow box, placed on or outside a windowsill, in which plants are grown

2. either of a pair of vertical boxes, attached to the sides of a sash window frame, that enclose a sash cord and counterbalancing weight

Word History and Origins

Origin of window box¹

First recorded in 1880–85