noun🔗ShareAstrolabioAn 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. "El marinero usó el astrolabio para determinar la latitud de su barco midiendo el ángulo del sol sobre el horizonte.astronomynauticaltechnologysciencedevicehistoryChat with AIVocabulary GamePractice Reading