leak Definition in the Cambridge English Dictionary
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Definition of “leak” - English Dictionary

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leakverb [I/T]

 us   /lik/
(of a ​liquid or ​gas) to ​escape from a ​hole or ​crack in a ​pipe or ​container, or (of a ​container) to ​allowliquid or ​gas to ​escape: [I] He ​heard the ​sound of ​dripping and ​sawwater leaking from a ​pipeoverhead. [T] The ​shipranaground off the ​coast and ​began to leak ​oil. To leak is also to give out ​information privately, esp. when ​people in ​authority do not ​want it to be ​known: [T] Someone had leaked the ​news of the ambassador’s ​resignation to the ​press.
leaky
adjective [-er/-est only]  us   /ˈli·ki/
There’s a leaky ​radiator in the ​bedroom.

leaknoun [C]

 us   /lik/
A leak is also the ​act of giving out ​information privately, esp. when ​people in ​authority do not ​want it to be ​known: The Justice ​Department was ​investigatingsecurity leaks.
(Definition of leak from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "leak" - British English Dictionary

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leakverb [I or T]

uk   us   /liːk/

leak verb [I or T] (LIQUID/GAS)

B2 (of a ​liquid or ​gas) to ​escape from a ​hole or crack in a ​pipe or ​container; (of a ​container) to ​allowliquid or ​gas to ​escape: Water was leaking from the ​pipe. Oil leaked out of the ​car. The ​car leaked ​oil all over the ​drive. The ​tin was leaking.
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leak verb [I or T] (INFORMATION)

C2 to ​allowsecretinformation to ​becomegenerallyknown: He leaked the ​names to the ​press. News of the ​paycuts had ​somehow leaked out.

leaknoun [C]

uk   us   /liːk/

leak noun [C] (LIQUID/GAS)

B2 a ​hole or crack through which a ​liquid or ​gas can ​flow out of a ​container, or the ​liquid or ​gas that comes out: There's ​water on the ​floor - we must have a leak. If you ​suspect a gas leak, ​phone the ​emergencynumber.
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leak noun [C] (INFORMATION)

C2 the ​origin of ​secretinformation that ​becomesknown, or the ​act of making it ​known: There have been several security leaks ​recently. They ​traced the leak to a ​secretary in the ​financedepartment.
(Definition of leak from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "leak" - Business English Dictionary

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leakverb

uk   us   /liːk/
[I or T] if a ​liquid or ​gas leaks, or is ​allowed to leak, from a pipe or ​container, it escapes through an ​opening: Textile ​chemicals leaking from a ​containerstarted a ​fire in a ​cargo compartment. The ​ship leaked an ​estimated 70,000 ​gallons of ​fuel.
[T] to ​allowsecretinformation to become generally known: Staff ​members were ​accused of leaking ​information about the ​deal to the ​newspapers.

leaknoun [C]

uk   us   /liːk/
an ​opening through which ​liquid or ​gas can ​escape from a pipe or ​container, or the ​liquid or ​gas that escapes: fuel/​gas/​oil leaks
the ​act of ​allowingsecretinformation to become ​publicly known: The leak of the ​top-secret discussions will be a huge embarrassment to the ​company.
(Definition of leak from the Cambridge Business English Dictionary © Cambridge University Press)
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