/ Dictionary / Index B brown thrasher: Meaning and Definition of Find definitions for: brown' thrash'er Pronunciation: [key] a common large songbird, Toxostoma rufum, of the eastern U.S., having reddish-brown plumage. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. brown-tail moth brown trout Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language