clubbing

noun

1. 1. a heavy stick, usually thinner at one end, used as a weapon
   2. anything used to threaten or coerce
2. 1. golf club
   2. Indian club
3. a group of people associated for a common purpose or mutual advantage, usually in an organization that meets regularly
4. the room, building, or facilities used by such a group
5. 1. an organization that owns, controls, or sponsors an athletic team
   2. the team playing for or representing such an organization
6. a nightclub
7. 1. any of a suit of playing cards marked with black figures shaped like a cloverleaf (♣)
   2. this suit of cards

Etymology: ME clubbe < ON klubba, cudgel < IE *geleb(h)- < base *gel-, form a ball > climb, calf

transitive verb clubbed, clubbing club′·bing

1. to beat or strike as with a club
2. to combine or pool (resources, etc.) for a common purpose
3. to unite for a common purpose
4. to use (a rifle or the like) as a club by hitting with the butt end

intransitive verb

1. to unite or combine for a common purpose
2. Rare to form into a clublike mass