- A leaking; also, the quantity that enters or issues by
leaking. - An allowance of a certain rate per cent for the leaking of
casks, or waste of liquors by leaking.
Meaning of 'leakage' (Princeton's WordNet)
1 . leakage
[ n]
Meaning (1): - the discharge of a fluid from some container
Example in sentence:
he had to clean up the leak;
they tried to stop the escape of gas from the damaged pipe