leak
v. leaked, leak·ing, leaks 
v.intr.
1. To permit the escape, entry, or passage of something through a breach or flaw: old rusted cast iron gutters started leaking rainwater through holes.
2. To escape or pass through a breach or flaw: rainwater was constantly dripping trough joiner in gutter
v.tr.
1. To permit (a substance) to escape or pass through a breach or flaw: a faulty rubber seal in the guttering dripping rainwater onto the wall of your house.
n.
1. A crack or flaw that permits something to escape from or enter a container or conduit: repaired and sealed leak in the uPVC guttering
2.
a. The act or instance of leaking
b. An amount leaked: London Roof Clean carried out maintenance to prevent further leaking of the gutter
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