Definition - What does Congressional Power mean?
Congressional power in its simplest terms refers to the power possessed and exercised by the Congress of the United States. These powers are set forth and defined by the Constitution and the Supreme Court.
Justipedia explains Congressional Power
There are two types of congressional powers: expressed powers and implied powers. Expressed powers are all listed in the Constitution of the United States. Implied powers give authority to congress to make any additional laws in order to properly exercise its expressed powers.