The Collaborative International Dictionary of English v.0.48:
Club \Club\ (kl[u^]b), v. t. [imp. & p. p. Clubbed (kl[u^]bd);
p. pr. & vb. n. Clubbing.]
1. To beat with a club.
2. (Mil.) To throw, or allow to fall, into confusion.
To club a battalion implies a temporary inability in
the commanding officer to restore any given body of
men to their natural front in line or column.
3. To unite, or contribute, for the accomplishment of a
common end; as, to club exertions.
4. To raise, or defray, by a proportional assesment; as, to
club the expense.
To club a musket (Mil.), to turn the breach uppermost, so
as to use it as a club.