window box

American  

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.

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window box British  

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

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Etymology

Origin of window box

First recorded in 1880–85

Example Sentences

So that's the third major principle, thinking about and involving yourself in the natural world in some way, even if that's just having a window box if you can't get out.

From Salon • Sep. 9, 2023

Even the smallest garden space — a single window box — can go a long way toward helping your local environment and its pollinators.

From Seattle Times • Jun. 30, 2023

Farzana Chaudry from Watford spent "four long nights" knitting a Gareth Southgate and three lions to adorn her front window box.

From BBC • Jul. 11, 2021

“Whole worlds are contained within a lovingly planted terra cotta pot, a window box or a jungle of plants grown indoors.”

From Los Angeles Times • Mar. 31, 2020

He hadn’t even thought much about her, though her moonlace plant still bloomed in his mom’s window box.

From "The House of Hades" by Rick Riordan