/ Dictionary / Index B bosker: Meaning and Definition of Find definitions for: bos•ker Pronunciation: (bos'kur), [key] — adj. Australian Slang. very good; excellent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boskage bosket Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language