Jar·row /ˈdʒærəʊ/ an industrial town in northeast England on the River Tyne, where ships were built and steel was made until 1930, when many people lost their jobs as a result of the Great Depression. In 1936 many unemployed people walked from Jarrow to London as a protest, in what was known as the Jarrow March. This was the most famous of the hunger marches of the 1920s and 1930s in the UK.