THRALLDOM Meaning of THRALLDOM in English thral ‧ dom BrE AmE British English , thralldom American English /ˈθrɔːldəm $ ˈθrɒːl-/ noun [uncountable] literary the state of being a slave SYN slavery Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012