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[uh-stron-uh-mer] /əˈstrɒn ə mər/
an expert in astronomy; a scientific observer of the celestial bodies.
Origin of astronomer
1325-75; Middle English; see astronomy, -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for astronomer
Contemporary Examples
Historical Examples
  • I suppose that he, an astronomer, was twice as flabbergasted as the rest of us.

    The Holes Around Mars Jerome Bixby
  • The astronomer was in bed on the morning of 11th February, 1576, when the message was delivered.

    Great Astronomers R. S. Ball
  • But our astronomer was not without the reward of his work, even in his lifetime.

  • The eighth picture depicted an astronomer who has not yet come into existence.

    Great Astronomers R. S. Ball
  • He was not merely an astronomer and a geographer, but a poet and grammarian as well.

  • It might be thought that the anxieties of the astronomer about his book would then have terminated.

    Great Astronomers R. S. Ball
British Dictionary definitions for astronomer


a scientist who studies astronomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for astronomer

late 14c., from astronomy (q.v.), replacing French import astronomyen (c.1300), which, had it survived, probably would have yielded *astronomian. Still in Shakespeare used in places where we would write astrologer.

Online Etymology Dictionary, © 2010 Douglas Harper
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