astronomer

from WordNet (r) 3.0 (2006)

astronomer
    n 1: a physicist who studies astronomy [syn: {astronomer},
         {uranologist}, {stargazer}]

from The Collaborative International Dictionary of English v.0.48

Astronomer \As*tron"o*mer\, n. [See {Astronomy}.]
   1. An astrologer. [Obs.] --Shak.
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   2. 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.
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            An undevout astronomer is mad.        --Young.
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