To give or pay jointly with others; to furnish to a common fund or charge. intransitive or absol. To give or make contribution.

To combine in making up a sum (as the cost or expense of an entertainment, etc.) by a number of individual contributions; to go shares in the cost…

to club together.

intransitive. To club together in paying.

Originally U.S. intransitive. To contribute money; to make a contribution to or for a cause or fund.