1. share or combine for a particular purpose
Professional
Social
pool money/knowledge/resources
To ‘pool something’ Is a phrasal verb meaning to put together or to share. There is no need to say 'pool together' as bringing together is inherent in the act of 'pooling'. You might ‘pool money’ to buy something as a group or ‘pool resources’ in order to get something done. You can use this expression in social and professional contexts.