leak

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To permit the escape, entry, or passage of something through a breach or flaw.
• intransitive verb To escape or pass through a breach or flaw.
• intransitive verb To become publicly known through a breach of secrecy.
• intransitive verb To permit (a substance) to escape or pass through a breach or flaw.
• intransitive verb To disclose without authorization or official sanction.
• noun A crack or flaw that permits something to escape from or enter a container or conduit.
• noun The act or instance of leaking.
• noun An amount leaked.
• noun An unauthorized or a deliberate disclosure of confidential information.
• noun Loss of electric current as a result of faulty insulation.
• noun The path or place at which this loss takes place.
• idiom (take a leak) To urinate.

from The Century Dictionary.

• Leaky.
• To let water or other fluid, or light, etc., out of, into, or through something, by an accidental or unintentional aperture, or through permeable material: as, the eask leaks; the ship is leaking; the roof leaks.
• To ooze or pass, as water or other fluid, or anything that can flow, as grain, through an aperture.
• To void water or urine.
• To let out or in (especially some fluid) by an accidental aperture: as, the pipe leaks gas; the roof leaks rain; the camera leaks light.
• To make leaky.
• noun An aperture by which anything that can flow, especially water or other fluid, passes out of, into, or through anything intended to contain, exclude, or restrain it; a crack, crevice, fissure, or hole that permits the passage of anything intended to be shut in or out: as, a leak in a cask, ship, dam, or dike; to stop or plug a leak.
• noun The oozing or passing of a fluid, etc., into, out of, or through anything by an accidental or unintentional aperture or through a permeable medium; leakage.
• noun A gutter.

from the GNU version of the Collaborative International Dictionary of English.

• adjective obsolete Leaky.
• intransitive verb To let water or other fluid in or out through a hole, crevice, etc.
• intransitive verb 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.
• intransitive verb to be divulged gradually or clandestinely; to become public; as, .
• noun A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape
• noun The entrance or escape of a fluid through a crack, fissure, or other aperture.
• noun (Elec.) A loss of electricity through imperfect insulation; also, the point at which such loss occurs.
• noun vulgar an act of urinating; -- used mostly in the phrase take a leak, i. e. to urinate.
• noun The disclosure of information that is expected to be kept confidential.
• noun to open or crack so as to let in water; to begin to let in water.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape.
• noun The entrance or escape of a fluid through a crack, fissure, or other aperture.
• noun A divulgation, or disclosure, of information held secret util then.
• noun The person through whom such divulgation, or disclosure, occurred.
• noun computing The gradual loss of a system resource caused by failure to deallocate previously reserved portions.
• noun A draining of one's urine (especially of a man)
• verb To allow fluid to escape or enter something that should be sealed.
• verb To reveal secret information.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb tell anonymously
• noun soft watery rot in fruits and vegetables caused by fungi
• verb enter or escape as through a hole or crack or fissure
• verb have an opening that allows light or substances to enter or go out
• noun unauthorized (especially deliberate) disclosure of confidential information
• verb be leaked
• noun an accidental hole that allows something (fluid or light etc.) to enter or escape
• noun a euphemism for urination
• noun the discharge of a fluid from some container