poolpoolpoolspooledpooling2verb (pools, pooling, pooled)to collect money or ideas together from different people: First we'll work in pairs, then we'll pool our ideas.poolpoolpools1noun1(alsoswimming pool) a place that has been built for people to swim in: Karen dived into the pool.2a small area of liquid or light on the ground: She was lying in a pool of blood.