2. leak ·add. ·noun a loss of electricity through imperfect insulation; also, the point at which such loss occurs.
3. leak ·v the entrance or escape of a fluid through a crack, fissure, or other aperture; as, the leak gained on the ship's pumps.
4. leak ·noun to let water or other fluid in or out through a hole, crevice, ·etc.; as, the cask leaks; the roof leaks; the boat leaks.
5. leak ·noun to enter or escape, as a fluid, through a hole, crevice, ·etc. ; to pass gradually into, or out of, something;
usually with in or out.
6. leak ·v 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.