n. The act of organizing, or the process of disposing or arranging constituent or interdependent parts into an organic whole.n. The process of arranging or systematizing; specifically, the process of combining parts into a coördinated whole: as, the organization of an expedition.n. That which is organized; a regularly constituted whole or aggregate; an organism, or a systematized and regulated whole; any body which has a definite constitution: often used specifically of an organized body of persons, as a literary society, club, corporation, etc.n. Organic structure or constitution; arrangement, disposition, or collocation of interdependent parts or organs; constitution in general: as, animal organization; the organization of society; the organization of the church or of a legislature.n. Also spelled organisation.n. In biology: The structural composition of an organism.n. Metaphorically, the cause or explanation of the structure of organisms; that which organizes; an organizing influence. Most of the attempts to imagine an architecture in the egg as an explanation of the structure of the being that is developed from the egg are based upon the metaphorical conception of organization. See germ-plasm and physiological unit.n. In pathology, conversion of an amorphous substance, such as a blood-clot, into organized tissue.