(7) Definitions.--In this subsection:
(A) Controlled substance.--The term `controlled substance' means a drug or other substance identified under schedule I, II, III, IV, or V in section 202(c) of the Controlled Substances Act (21 U.S.C. 812(c)).
(B) Illegal drug.--The term `illegal drug' means a controlled substance but does not include a controlled substance that is legally possessed or used under the supervision of a licensed health-care professional or that is legally possessed or used under any other authority under that Act or under any other provision of Federal law.
(C) Weapon.--The term `weapon' has the meaning given the term `dangerous weapon' under section 930(g)(2) of title 18, United States Code.
(D) Serious bodily injury.--The term `serious bodily injury' has the meaning given the term `serious bodily injury' under paragraph (3) of subsection (h) of section 1365 of title 18, United States Code.