Meaning & use
astrolabe
A historical instrument used to measure the position of stars and calculate time or location.
See it in a sentence
Sailors once used an astrolabe to determine their latitude by measuring the sun's angle.
The museum displayed a brass astrolabe crafted by medieval Islamic astronomers.
A note on using this word
Largely replaced by modern instruments, but historically vital to astronomy and navigation.
Words with a similar meaning
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