"Don't use the dictionary to define terms." Is this your position?
Maybe it would have been better to have said use the US CODE
http://uscode.house.gov/download/pls/18C113C.txt
As used in this chapter -
(1) "torture" means an act committed by a person acting under
the color of law specifically intended to inflict severe physical
or mental pain or suffering (other than pain or suffering
incidental to lawful sanctions) upon another person within his
custody or physical control;
(2) "severe mental pain or suffering" means the prolonged
mental harm caused by or resulting from -
(A) the intentional infliction or threatened infliction of
severe physical pain or suffering;
(B) the administration or application, or threatened
administration or application, of mind-altering substances or
other procedures calculated to disrupt profoundly the senses or
the personality;
(C) the threat of imminent death; or
(D) the threat that another person will imminently be
subjected to death, severe physical pain or suffering, or the
administration or application of mind-altering substances or
other procedures calculated to disrupt profoundly the senses or
personality; and
(3) "United States" means the several States of the United
States, the District of Columbia, and the commonwealths,
territories, and possessions of the United States.