gamp
/ɡamp
/noun British informal, dated
An umbrella, especially a large unwieldy one: he stuck his gamp in the hallstand...
- 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.
Origin
Mid 19th century: named after Mrs Gamp in Charles Dickens's Martin Chuzzlewit, who carried such an umbrella.