/ Dictionary / Index B biker: Meaning and Definition of Find definitions for: bik•er Pronunciation: (bī'kur), [key] — n. a person who rides a bicycle, motorcycle, or motorbike, esp. in competition or as a hobby. a member of a motorcycle gang. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bike path bikeway Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language