(1):
(v.) The entrance or escape of a fluid through a crack, fissure, or other aperture; as, the leak gained on the ship's pumps.
(2):
(a.) Leaky.
(3):
(n.) A loss of electricity through imperfect insulation; also, the point at which such loss occurs.
(4):
(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.
(5):
(n.) To let water or other fluid in or out through a hole, crevice, etc.; as, the cask leaks; the roof leaks; the boat leaks.
(6):
(n.) 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.