SUMBA Meaning of SUMBA in English /soohm"bah/ , n.one of the Lesser Sunda Islands, in Indonesia, S of Flores. 4306 sq. mi. (11,153 sq. km). Also called Sandalwood Island . Dutch, Soemba . Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012