somme

UK: /sɔm/ US: (sôm)

WordReference Random House Unabridged Dictionary of American English © 2026

Somme  (sôm), n. 

1. Place Names a river in N France, flowing NW to the English Channel: battles, World War I, 1916, 1918;
   World War II, 1944. 150 mi. (241 km) long.
2. Place Names a department in N France. 538,462;
   2424 sq. mi. (6280 sq. km). Cap.: Amiens.

Collins Concise English Dictionary © HarperCollins Publishers::

Somme / sɔm/ noun

1. a department of N France, in Hauts-de-France region. Capital: Amiens. Pop: 557 061 (2003 est). Area: 6277 sq km (2448 sq miles)
2. a river in N France, rising in Aisne department and flowing west to Amiens, then northwest to the English Channel: scene of heavy fighting in World War I. Length: 245 km (152 miles)