[dee-ep; Fr. dyep] 
| a seaport in N France, on the English Channel: raided by an Allied expeditionary force August 1942. 26,111. |
| Di·eppe (dē-ěp', dyěp) A city of northeast France on the English Channel north of Rouen. It is a port for channel steamers and a beach resort. Allied forces led a disastrous commando attack on the city (August 19, 1942) to test the strength of German defenses. Population: 34,300. |