Trough for Blooms Attached to a Sill
This page is the CodyCross answer for the clue below from Art Museum, Group 721, Puzzle 5 (Public Display).
Question is: Trough for Blooms Attached to a Sill
and the answer is: WINDOWBOX
Word Meaning:
WINDOW BOX — A narrow box filled with earth, placed on a windowsill and used for growing plants.
Definitions from Wiktionary.