clepsydra

• Nom désignant un ancien instrument de mesure du temps fonctionnant par un écoulement réglé d'eau d'un récipient à un autre.

A noun referring to an ancient device that measures time by the regulated flow of water from one container to another.

1. Water clockC2formal

   An ancient device that measures time by the regulated flow of water from one container to another.

   Clepsydre (horloge à eau)

   • The clepsydra was used in ancient Greece and Rome to time speeches.
   • Archaeologists discovered a well-preserved clepsydra in the ruins.
   • Unlike modern clocks, a clepsydra relies on the steady drip of water.

   Synonymeswater clock