Definition of astrolabe
: a compact instrument used to observe and calculate the position of celestial bodies before the invention of the sextant
Origin of astrolabe
Middle English, from Anglo-French & Medieval Latin; Anglo-French astrelabe, from Medieval Latin astrolabium, from Late Greek astrolabion, from Greek astrolabos, from astr- + lambanein to take — more at latch
First Known Use: 14th century
Learn More about astrolabe
Britannica.com: Encyclopedia article about "astrolabe"
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