clepsydra (noun)

1. In Greek mythology, the clepsydra was associated with the god Poseidon, who was often depicted with a water clock in his hand.

2. The ancient Roman houses were equipped with clepsydras, which were used to keep track of time during the day.

3. The fashion designer incorporated the concept of a clepsydra into a stunning dress, where water flowed elegantly down the gown, representing the passage of time.

4. The fantasy novel prominently featured a mystical clepsydra, which played a crucial role in controlling the flow of time within the story.