Definition of jump seat in English:

jump seat

Syllabification: jump seat

noun

chiefly North American
  • An extra seat, especially in a car or taxicab, that folds back when not in use.
    More example sentences
    • During these training sorties, the instructor sits in the modified jump seat between the pilot's and copilot's seats, and the student occupies the copilot's seat.
    • He returns to his seat and I take the jump seat in the cockpit.
    • Are we to believe that Frank just hopped on a cockpit jump seat for his free ride with all the pilots in the airport having been warned to be on the lookout for a man fitting just his description?

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