noun🔗ShareAstrolabeAn 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. "Le marin utilisait l'astrolabe pour déterminer la latitude de son navire en mesurant l'angle du soleil au-dessus de l'horizon.astronomynauticaltechnologysciencedevicehistoryChat with AIVocabulary GamePractice Reading