• A part or portion. • A number of persons united in opinion or action, as distinguished from, or opposed to, the rest of a community or association; esp., one of the parts into which a people is divided on questions of public policy. • A part of a larger body of company; a detachment; especially (Mil.), a small body of troops dispatched on special service. • A number of persons invited to a social entertainment; a select company; as, a dinner party; also, the entertainment itself; as, to give a party. • One concerned or interested in an affair; one who takes part with others; a participator; as, he was a party to the plot; a party to the contract. • The plaintiff or the defendant in a lawsuit, whether an individual, a firm, or corporation; a litigant. • Hence, any certain person who is regarded as being opposed or antagonistic to another. • Cause; side; interest. • A person; as, he is a queer party. • Parted or divided, as in the direction or form of one of the ordinaries; as, an escutcheon party per pale. • Partial; favoring one party. • Partly.