in•ter•pel•la•tion(in′tər pə lā′shən, in tûr′pə-),USA pronunciationn.
Governmenta procedure in some legislative bodies of asking a government official to explain an act or policy, sometimes leading, in parliamentary government, to a vote of confidence or a change of government.
Latin interpellātiōn- (stem of interpellātiō) interruption. See interpellate, -ion