Yes, clubs is a Scrabble word!

Verb

1. Unite with a common purpose

2. Gather and spend time together

3. Strike with a club or a bludgeon

4. Gather into a club-like mass

Noun

1. A team of professional baseball players who play and travel together

2. A formal association of people with similar interests

3. Stout stick that is larger at one end

4. A building that is occupied by a social club

5. Golf equipment used by a golfer to hit a golf ball

6. A playing card in the minor suit that has one or more black trefoils on it

7. A spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink