An astrolabe (as the word is used from the medieval period through today) is the name of a specific astronomical instrument.
Another meaning are a type of Babylonian cuneiform tablets that discuss astronomy.
Prior to that, "astrolabe" was an adjective in ancient times describing any tool made for taking the position of stars, for instance by Ptolemy in the Almagest.
[1][2] Astrolabe may also refer to: