Isère

UK: /izɛr/ US: (ē zâr′)

WordReference Random House Unabridged Dictionary of American English © 2026

I•sère  (ē zâr′), n. 

1. Place Names a river in SE France, flowing from the Alps to the Rhone River. 150 mi. (240 km) long.
2. Place Names a department in SE France. 860,378;
   3180 sq. mi. (8235 sq. km). Cap.: Grenoble.

Collins Concise English Dictionary © HarperCollins Publishers::

Isère / izɛr/ noun

1. a department of SE France, in Auvergne-Rhône-Alpes region. Capital: Grenoble. Pop: 1 128 755 (2003 est). Area: 7904 sq km (3083 sq miles)
2. a river in SE France, rising in the Graian Alps and flowing west and southwest to join the River Rhône near Valence. Length: 290 km (180 miles)