As used in this chapter, the following definitions shall apply:
(1) Court order
The term “court order” includes a court order (as described in section 922(g)(8) of title 18).
(2) Mental health terms
The terms “adjudicated as a mental defective” and “committed to a mental institution” have the same meanings as in section 922(g)(4) of title 18.
(3) Misdemeanor crime of domestic violence
The term “misdemeanor crime of domestic violence” has the meaning given the term in section 921(a)(33) of title 18.