noun🔗ShareAstrolabiumAn astronomical and navigational instrument for gauging the altitude of the Sun and stars."The sailor used the astrolabe to determine his ship's latitude by measuring the angle of the sun above the horizon. "Der Seemann benutzte das Astrolabium, um den Breitengrad seines Schiffes zu bestimmen, indem er den Winkel der Sonne über dem Horizont maß.astronomynauticaltechnologysciencedevicehistoryChat with AIVocabulary GamePractice Reading