astronomer

[ uh-stron-uh-mer ]
/ əˈstrɒn ə mər /

noun

an expert in astronomy; a scientific observer of the celestial bodies.

Origin of astronomer

Middle English word dating back to 1325–75; see origin at astronomy, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for astronomer

astronomer
/ (əˈstrɒnəmə) /

noun

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