Water gate : A gate, or valve, by which a flow of water is permitted, prevented, or regulated.

Example:


Taxonomy
Nixon, Watergate, President, tapes, New York, break-in, Richard Nixon, resignation, President Nixon, investigations, Haldeman, Ford, the Committee, checks, lawyers, theories, John Dean, Watergate scandal.

Defination from the web:
Watergate Affair that led to the resignation of Richard Nixon. ... The Watergate scandal left such an impression on the national and international consciousness that many scandals since then have been labeled with the suffix "-gate" ...