D defs.my
Entry 1 sense Webster, 1913

Congressional

/kən-grĕsh'-ən-əl/ · Con·gres·sion·al · IPA /kəŋˈɡɹɛ.ʃə.nəl/
01 a. Of or pertaining to a congress, especially, to the Congress of the United States; as, congressional debates.
  1. 1.
    Of or pertaining to a congress, especially, to the Congress of the United States; as, congressional debates.
    Congressional and official labor.” — E. Everett.
Phrases & compounds
Congressional District — one of the divisions into which a State is periodically divided (according to population), each of which is entitled to elect a Representative to the Congress of the United States.