(1803-59) a British engineer, the son of George Stephenson. He continued his father's work on the development of the steam train, and also built bridges, including the railway bridge over the Menai Straits in North Wales.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.