‘When the rain began to come down in buckets I thought I had better invest in a gamp, but was deterred by the thought that I already had two lying about somewhere at home and one in my office here.’
parasol, sunshade
Origin
Mid 19th century named after Mrs Gamp in Charles Dickens's Martin Chuzzlewit, who carried such an umbrella.
Are You Learning English? Here Are Our Top English Tips