moped
Concise Oxford English Dictionary © 2008 Oxford University Press:
moped /ˈməʊpɛd/
▶noun a light motor cycle, especially one with an engine capacity of not more than 50 cc.
– origin 1950s: from Swed., from (trampcykel med) mo(tor och) ped(aler) ‘pedal cycle with motor and pedals’.
'moped' also found in these Oxford entries:

