hourglass

Definition

A clock made of two glass vessels connected by a narrow passage through which sand flows.

Etymology

From hour + glass.

Example Sentences

• "After each game turn, invert the hourglass to reset the time limit for the next player."
• "The sands of thy short life are spent this hour, / And no hand in the universe can turn / Thy hourglass, if these gummed leaves be burnt / Ere thou canst mount up these immortal steps."
• "When I right click the desktop display to check Display Properties, it hangs and shows me only the hourglass instead of the display menu."