Pooling

pool ¹  (pl)

n.

1. A small body of still water.

2. An accumulation of standing liquid; a puddle: a pool of blood.

3. A deep or still place in a stream.

4. A swimming pool.

5. An underground accumulation of petroleum or gas in porous sedimentary rock.

intr.v. pooled, pool·ing, pools

1. To form pools or a pool: The receding tide pooled in hollows along the shore.

2. To accumulate in a body part: preventing blood from pooling in the limbs.

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[Middle English, from Old English pl.]