N-PROPER [NOUN n] 白宫(位于华盛顿特区的美国总统府邸，也指美国总统及其官员); The White House is the official home in Washington DC of the President of the United States. You can also use the White House to refer to the President of the United States and his or her officials. 白宫(位于华盛顿特区的美国总统府邸，也指美国总统及其官员);