noun. timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage.
- egg timer
- glass (English)
- sand (English)
- sand (Old English (ca. 450-1100))
Example sentences of the word sandglass
1. Noun, singular or mass
Around the 10th century A.D., the sandglass, or hourglass, was invented to mark the passage of hours.