water clock

noun

1. a device, as a clepsydra, for measuring time by the flow of water.

water clock

noun

1. any of various devices for measuring time that use the escape of water as the motive force

Word History and Origins

Origin of water clock¹

First recorded in 1595–1605

Example Sentences

Perhaps the earliest mechanical time measure was the clepsydra, or water clock.

From Project Gutenberg

This water clock was called a clepsydra, the name being taken from two Greek words meaning 'thief of water.'

From Project Gutenberg

The Djyotisha also teaches the art of constructing a clepsydra, or water-clock.

From Project Gutenberg

The water-clock (clepsydra) served as a measure of time, especially in affairs connected with the administration of justice.

From Project Gutenberg

It was a delightful visit, but we could not remain so long as we wished, for we had to see the water clock.

From Project Gutenberg