You searched for: “astronomical clock
astronomical clock
A clock that, in addition to telling the time, was designed to show the positions of the sun, moon, and other celestial bodies.
Word Entries at Word Info: “astronomical clock
astronomical clock
1. A precise pendulum clock with separate dials for seconds, minutes, and hours.

It was originally used by astronomers to calculate astronomical time.

2. A clock indicating the movement of the sun, planets, and other astronomical data.
This entry is located in the following unit: astro-, astr- + (page 6)