Definition of dedans in English:

dedans

noun

  • (in real tennis) an open gallery for spectators at the service side of a court.

    • ‘The wall behind the server likewise rises into a slope, but lower down, suspended above the floor, lie the dedans, a larger mesh and third possible winner.’

Origin

Early 18th century: French, literally inside.

Pronunciation:

dedans

/dəˈdɒ̃/