Definition of gamp in English:

gamp

Pronunciation /ɡamp/ /ɡæmp/

noun

informal, dated British
  • An umbrella, especially a large unwieldy one.

    • ‘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.