1. Plural of astrolabe; ancient astronomical instruments used to measure the positions of stars and planets, and to determine latitude and time.
Usage: Historical; primarily used in medieval and Islamic astronomy and navigation

Examples

• Medieval astronomers relied on astrolabes to map the night sky.
• The museum's collection includes several brass astrolabes from the 15th century.
• Navigators used astrolabes to calculate their ship's latitude during long voyages.
• Islamic scholars made significant improvements to astrolabes during the Golden Age.
• The intricate engravings on these astrolabes demonstrate the craftsmanship of ancient instrument makers.