ALL meanings of water clock
wa·ter clock
W w - noun water clock a device, as a clepsydra, for measuring time by the flow of water. 1
- noun water clock any of various devices for measuring time that use the escape of water as the motive force 0
- noun water clock a device for measuring time by the fall or flow of water; clepsydra 0
- noun water clock A device for measuring time by letting water flow out of a container, usually through a tiny aperture. 0
- noun water clock A clepsydra. 0