Definition of "window box" [window box]

• A usually long, narrow box for growing plants, placed on a windowsill or ledge. (noun)
• One of the vertical grooves on the inner sides of a window frame for the weights that counterbalance the sash. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Every child knew that the blazing red geraniums in the window box of 60 Andrassy Ut—renamed Stalin Ut—were watered by the AVO, to make their headquarters, formerly those of the Arrow Cross, look friendly."
• "Toddler-Size Garden: A small square of yard or a window box that you give to your child and you plant and care for together."