Hourglass (noun)

A device that measures the passage of time, consisting of two glass bulbs connected by a narrow neck, with sand inside that runs from the top bulb to the bottom, marking the passage of a specific amount of time.

Origin:

The word hourglass comes from the combination of the words "hour" and "glass". it refers to a device that was used to measure the passage of time, it consists of two glass bulbs connected by a narrow neck, with sand inside that runs from the top bulb to the bottom, marking the passage of a specific amount of time. .

Examples:

1. The hourglass is an ancient timekeeping device.
2. He used an hourglass to time his speech.
3. She watched the sand run through the hourglass.
4. The hourglass is a common symbol for the passage of time.
5. The hourglass is a timeless symbol of the fleeting nature of time.