Definitions for "Widow's Walk"
a lookout atop a coastal house
A deck on top of a flat roof usually enclosed by a balustrade, frequently made of cast iron. Widow's walks once had a practical purpose and were used frequently on seaside houses. The lady of the house could go to the roof to see which ships had arrived in the harbor. If her husbands ship never returned, she knew she was a widow, thus the name.
Narrow platform on roof; usually with wooden or wrought-iron balustrade