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Definitions from WordNet

Definitions from the Web

Astrolabe

An astrolabe is a historical instrument used in astronomy and navigation to measure the altitude and position of celestial bodies.

Parts of Speech and Senses:

Noun:

1. Astronomy: A device used for measuring the altitude of celestial bodies.
2. Navigation: An instrument used for determining one's position by observing the stars.
3. History: A historical instrument used in ancient times for astronomical and navigational purposes.

Sample Sentences:

Noun:

1. The sailor used an astrolabe to determine his ship's latitude.
2. During ancient times, the astrolabe was an essential tool for astronomers.

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