Dedans n. : A division, at one end of a tennis court, for spectators.

Example:
How do you remember En Dedans and En Dehors?

Taxonomy
Dictionary, court, spectators, dä, dahn, Court Tennis, tennis match, equiv, word origin, Pronunciation, denz, intus, tennis court, Late Latin, Houghton Mifflin Company, free online English dictionary, dede, dictionary results.

Defination from the web:
Dedans - Definition of Dedans at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Dedans. Word of the Day and Crossword Puzzles. ... [French, from dedans, inside, from Old French dedenz : de, of, from (from Latin dē; see de-) + denz, within ...