[soom-bah-wah] 
| one of the Lesser Sunda Islands, in Indonesia: destructive eruption in 1815 of Mt. Tambora. 5965 sq. mi. (15,449 sq. km). |
| Sum·ba·wa (sōōm-bä'wə, -wä) A volcanic island of south-central Indonesia in the Lesser Sunda Islands west of Flores. The Dutch gained control in 1905 after signing treaties with the local chieftains. |
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