A leak is a way for fluid to escape a container or fluid-containing system, such as a tank or a ship's hull, through which the contents of the container can escape or outside matter can enter the container. Leaks are usually unintended and therefore undesired.

What does it mean when something is leaked?

1a : to enter or escape through an opening usually by a fault or mistake fumes leak in. b : to let a substance or light in or out through an opening The roof was leaking. 2a : to become known despite efforts at concealment confidential information leaked out. b : to be the source of an information leak. transitive verb.

What does leak mean slang?

Leak, a slang term for urination.