(1) the term alien terrorist means any alien described in section 1227 (a)(4)(B) of this title;

(2) the term classified information has the same meaning as in section 1(a) of the Classified Information Procedures Act (18 U.S.C. App.);

(3) the term national security has the same meaning as in section 1(b) of the Classified Information Procedures Act (18 U.S.C. App.);

(4) the term removal court means the court described in section 1532 of this title;

(5) the term removal hearing means the hearing described in section 1534 of this title;

(6) the term removal proceeding means a proceeding under this subchapter; and

(7) the term special attorney means an attorney who is on the panel established under section 1532 (e) of this title.