quad bike 
noun
A motorcycle with four large tyres, for off-road use.The boot space takes the luggage of a family of four, excluding quad bikes....
- We looked up and saw lads at the side of the ground revving up their quad bikes and motorcycles.
- There will also be quad bikes and a 4x4 off-road area where visitors can drive vehicles.
- log flume
- logger
- loggerhead
- loggerhead shrike
- loggerhead turtle
- loggia
- logging
- logia
- logic
- -logic
- logical
- -logical
- logical atomism
- logical empiricism
- logical form
- logicality
- logically
- logical necessity
- logical operation
- logical operator
- logical positivism
- logic bomb
- logic chopping
- logic circuit
- logic gate