Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One who specializes in astronomy.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics

from the GNU version of the Collaborative International Dictionary of English

  • n. An astrologer.
  • n. One who is versed in astronomy; one who has a knowledge of the laws of the heavenly orbs, or the principles by which their motions are regulated, with their various phenomena.

from The Century Dictionary and Cyclopedia

  • n. One who is versed in astronomy; a scientific observer of the stars; a student of the laws of the heavenly bodies, or the principles by which their motions are regulated, with their various phenomena.
  • n.

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

  • n. a physicist who studies astronomy

Etymologies

From astronomy +‎ -er. (Wiktionary)

Examples

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