Search Result for "lost tribes":
Wordnet 3.0

NOUN (1)

1. the ten Tribes of Israel that were deported into captivity in Assyria around 720 BC (leaving only the tribes of Judah and Benjamin); 



WordNet (r) 3.0 (2006):

Lost Tribes
    n 1: the ten Tribes of Israel that were deported into captivity
         in Assyria around 720 BC (leaving only the tribes of Judah
         and Benjamin)