club

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A stout heavy stick, usually thicker at one end, suitable for use as a weapon; a cudgel.
• noun An implement used in some games to drive a ball, especially a stick with a protruding head used in golf.
• noun Something resembling a club.
• noun A black figure shaped like a trefoil or clover leaf on certain playing cards.
• noun A playing card with this figure.
• noun The suit of cards represented by this figure.
• noun A group of people organized for a common purpose, especially a group that meets regularly.
• noun The building, room, or other facility used for the meetings of an organized group.
• noun Sports An athletic team or organization.
• noun A nightclub.
• intransitive verb To strike or beat with a club or similar implement.
• intransitive verb To use (a firearm) as a club by holding the barrel and hitting with the butt end.
• intransitive verb To gather or combine (hair, for example) into a clublike mass.
• intransitive verb To contribute (money or resources) to a joint or common purpose.
• intransitive verb To join or combine for a common purpose; form a club.
• intransitive verb To go to or frequent nightclubs.

from The Century Dictionary.

• noun The expanded end of the tentacular arms in decacerous cephalopods.
• To beat with a club.
• To convert into a club; use as a club: as, to club a musket (by taking hold of the barrel and striking with the butt).
• To unite, as the hair, in a solid mass or knot resembling a club.
• Milit., to demoralize or confuse by a blunder in tactical manœuvers: as, to club a battalion.
• noun A company of persons organized to meet for social intercourse, or for the promotion of some common object, as literature, science, politics, etc.
• noun A club-house.
• noun The united expenses of a company; joint charge; mess account.
• noun The contribution of an individual to a joint charge.
• To combine or join together, as a number of individuals, for a common purpose; form a club: as, to club together to form a library.
• Specifically, to contribute to a common fund; combine to raise money for a certain purpose.
• To be united in producing a certain effect; combine into a whole.
• To unite; add together by contribution; combine.
• To divide into an average amount for each individual concerned: as, to club the expense of an entertainment.
• Nautical, to drift down a current with an anchor dragging on the bottom.
• noun A stick or piece of wood suitable for being wielded in the hand as a weapon; a thick, heavy stick used as a weapon; a cudgel.
• noun In the games of golf and shinty, a staff with a crooked and heavy head for driving the ball. See golf-club, 1.
• noun A round solid mass; a clump; a knot.
• noun A playing-card that is marked with trefoils in the plural, the suit so marked.
• noun In entomology, a suddenly broadened outer portion of an antenna, formed by two, three, or more enlarged terminal joints, as in most weevils. See cut under clavate.
• noun In fungi of the family Clavariei, the claviform receptacle or one of its branches.
• noun A small spar to which the foot of a gaff-topsail or the clue of a staysail or jib is bent to make the sail set to the best advantage.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To beat with a club.
• transitive verb (Mil.) To throw, or allow to fall, into confusion.
• transitive verb To unite, or contribute, for the accomplishment of a common end.
• transitive verb To raise, or defray, by a proportional assesment.
• transitive verb (Mil.) to turn the breach uppermost, so as to use it as a club.
• intransitive verb To form a club; to combine for the promotion of some common object; to unite.
• intransitive verb To pay on equal or proportionate share of a common charge or expense; to pay for something by contribution.
• intransitive verb (Naut.) To drift in a current with an anchor out.
• noun A heavy staff of wood, usually tapering, and wielded with the hand; a weapon; a cudgel.
• noun Any card of the suit of cards having a figure like the trefoil or clover leaf. (pl.) The suit of cards having such figure.