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Definition of: leak
(lēk) noun
1. An opening, mechanical or otherwise, that permits the unintended entrance or escape of a fluid, of electric current, etc.
2. Hence, anything which permits the unintentional loss or accrual of something: a leak in the espionage system.
3. Leakage.
—to spring a leak To spring open, part, or crack, so as to let a fluid in or out.
—v.i.
1. To let a liquid, etc., enter or escape undesignedly, as through a hole or crack.
2. To pass in or out accidentally: often with in or out.
3. To become known despite efforts at secrecy: usually with out: Our plans leaked out.
—v.t.
4. To let (a liquid, etc.) enter or escape undesignedly.
5. To disclose (information, etc.) without authorization. ♦ Homophone: leek. [<ON leka drip. Akin to LEACH, LAKE1.]
—leak′y adjective
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