1. Any of numerous migratory songbirds of the family Turdidae, usually having brownish upper plumage and a spotted breast and noted for a clear melodious song.
2. Any of various similar or related birds, as a water thrush or thrasher.
3. Slang. A woman who sings popular songs.

[Middle English thrushe, from Old English thrysce.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.