/ baɪk; NAmE / noun , verb
■ noun ( informal )
1.
a bicycle :
She got on her bike and rode off.
I usually go to work by bike .
—see also mountain bike , pushbike , quad bike
2.
a motorcycle
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IDIOMS
- on your bike!
■ verb
1.
[ v , usually + adv. / prep. ] ( informal ) to go somewhere on a bicycle or motorcycle :
My dad bikes to work every day.
2.
[ vn ] ( informal ) to send sth to sb by motorcycle :
I'll bike the contract over to you this afternoon.
► bik·ing noun [ U ]:
The activities on offer include sailing and mountain biking .
—compare bicycle , cycle
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WORD ORIGIN
late 19th cent.: abbreviation.