Sundial
/ˈsʌndaɪəl/
Definition 1 of 1
Pro Tip 1/3Historical Device
Sundials are historical and might be mentioned in the context of ancient times or historical texts. 
The tour guide spoke about the sundial as one of the earliest timekeeping devices.
Pro Tip 2/3Outdoor Object
Sundials are typically found outdoors where they can catch the shadows cast by the sun. 
In the center of the park, there stood an ornate garden sundial.
Pro Tip 3/3Decorative Purpose
Modern sundials often serve as decorative pieces rather than practical tools for telling time. 
He admired the beautifully carved stone sundial in his grandmother's backyard.