- leak [lēk]vi.[ME leken < ON leka, to drip < IE base * leg-, to drip, trickle, LACK, OIr legaim, (I) dissolve, Welsh llaith, damp]1. to let a fluid substance out or in accidentally [the boats leaks]2. to enter, or escape accidentally from, an object or container: often with in or out3. to become known little by little, by accident, carelessness, or treachery [the truth leaked out]vt.1. to permit (water, air, light, radiation, etc.) to pass accidentally in or out; allow to leak2. to allow (secret or confidential information) to become knownn.1. an accidental hole or crack that lets something out or in2. any means of escape for something that ought not to be let out, lost, etc.3. the fact of leaking; leakage4. a disclosure of secret or confidential information; specif., an ostensibly accidental disclosure by a government official to the news media, actually intended to produce an effect: in full news leak5.a) a loss of electrical current through faulty insulationb) the point or path where this occurs6. Slang the act of urinating: usually in the phrase take a leak
English World dictionary. V. Neufeldt. 2014.