widow's walk (noun)

1. In the science fiction novel, the protagonists use the widow's walk to monitor incoming alien spaceships.

2. The author vividly described the widow's walk on the coastal mansion, which served as a symbol of longing and loneliness in the story.

3. The architect included a widow's walk in the house's design to offer panoramic views of the ocean to the residents.

4. Why did the ghost refuse to go on the widow's walk? It was afraid of heights!