[eyn; Fr. en] 
| 1. | a river in N France, flowing NW and W to the Oise. 175 mi. (280 km) long. |
| 2. | a department in N France. 533,862. 2868 sq. mi. (7430 sq. km). Capital: Laon. |
| Aisne (ān) A river of northern France rising in the Argonne Forest and flowing about 266 km (165 mi) northwest and west to the Oise River. Four major World War I battles were fought along its banks, including the final defeat of the Germans by French and American troops in September-October 1918. |
