from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the study of the heavens and heavenly bodies, also books about the subject.

from the GNU version of the Collaborative International Dictionary of English

  • n. A discourse or treatise on the heavens and the heavenly bodies; the study of the heavens; uranography.

from The Century Dictionary and Cyclopedia

  • n. The knowledge of the heavens.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the branch of physics that studies celestial bodies and the universe as a whole


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