Source : Webster's Revised Unabridged Dictionary (1913)

Double-entendre \Dou"ble-en*ten"dre\, n. [F. double double +
   entendre to mean. This is a barbarous compound of French
   words. The true French equivalent is double entente.]
   A word or expression admitting of a double interpretation,
   one of which is often obscure or indelicate.