Definitions of pooling
the combining of small areas of land to form a larger unit (called a pool or a unit), especially when over a reservoir in order to drill for oil or gas
One of the important clauses in an oil and gas lease is the pooling clause.
where a single trustee controlling a large number of investment funds combines the assets of each fund into a single investment pool
Trustees should take the time to consider how they can use pooling to benefit their members.