1.A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape; as, a leak in a roof; a leak in a boat; a leak in a gas pipe. "One leak will sink a ship."
2.The entrance or escape of a fluid through a crack, fissure, or other aperture; as, the leak gained on the ship's pumps.
3.(Elec.) A loss of electricity through imperfect insulation; also, the point at which such loss occurs.
4.An act of urinating; used mostly in the phrase take a leak, i. e. to urinate. (vulgar)
5.The disclosure of information that is expected to be kept confidential; as, leaks by the White House staff infuriated Nixon; leaks by the Special Prosecutor were criticized as illegal.
