1.an unintentional hole or crack that permits something such as liquid, gas, or light to escape or enter
2.the accidental escape or unwanted entry of something, usually by way of an unintentional hole or crack
3.something such as liquid or gas that escapes through an unintentional hole or crack
4.a means of escape, or the resulting loss by means of it
5.an unofficial release of confidential information, usually to the media
6.a place through which an electric current escapes accidentally, or the resulting loss of electricity
8.an occasion when private or secret information is told to journalists