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[bahy-ker] /ˈbaɪ kər/
a person who rides a bicycle, motorcycle, or motorbike, especially in competition or as a hobby.
Informal. a member of a motorcycle gang.
Origin of biker
1880-85; bike1 + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for biker
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Historical Examples
  • "He's mighty different from biker," said Mrs. Munsberg in an undertone.

    T. Tembarom Frances Hodgson Burnett
  • Then biker's always drinking more or less, and he's got the swell head, anyhow.

    T. Tembarom Frances Hodgson Burnett
  • It's Galton's idea, and he gave the job to biker because he thought an educated fellow could get hold of people.

    T. Tembarom Frances Hodgson Burnett
  • Two important and extremely good-looking brides had refused to see him because biker had enraged them in his day.

    T. Tembarom Frances Hodgson Burnett
British Dictionary definitions for biker


(informal) a member of a motorcyle gang
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
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Word Origin and History for biker

"motorcycle rider" (especially with reference to club affiliation), 1968, American English, from bike (n.) in its slang sense of "motorcycle" (1939).

Online Etymology Dictionary, © 2010 Douglas Harper
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