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definitions

motorbike

[moh-ter-bahyk]
noun
  1. a small, lightweight motorcycle.
  2. a bicycle that is propelled by an attached motor.
verb (used without object), mo·tor·biked, mo·tor·bik·ing.
  1. to go by motorbike; drive or ride a motorbike.

Origin of motorbike

First recorded in 1900–05; motor + bike1
Also called mo·tor·bi·cy·cle [moh-ter-bahy-si-kuh l, ‐sik-uh l, ‐sahy-kuh l] /ˈmoʊ tərˌbaɪ sɪ kəl, ‐sɪk əl, ‐saɪ kəl/.
Related formsmo·tor·bik·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for motorbicycle

motorbicycle

noun
  1. a motorcycle
  2. a moped

motorbike

noun
  1. a less formal name for motorcycle
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