n.
Pronunciation: ˌ me-s( ə -)p ə - ' t ā -m ē - ə , -my ə
Function: geographical name
1 region SW Asia bet. the Tigris & the Euphrates extending from the mountains of E Asia Minor to the Persian Gulf
2 the entire Tigris-Euphrates valley
– Mes · o · po · ta · mian \ -m ē - ə n, -my ə n \ adjective or noun