to bring together; to collect into a mass or sum. "the aggregated soil."-to add or unite, as, a person, to an association.-to amount in the aggregate to; as, ten loads, aggregating five hundred bushels.-formed by a collection of particulars into a whole mass or sum; collective.-formed into clusters or groups of lobules; as, aggregate glands.-composed of several florets within a common involucre, as in the daisy; or of several carpels formed from one flower, as in the raspberry.-having the several component parts adherent to each other only to such a degree as to be separable by mechanical means.-united into a common organized mass; -- said of certain compound animals.-a mass, assemblage, or sum of particulars; as, a house is an aggregate of stone, brick, timber, etc.-a mass formed by the union of homogeneous particles; -- in distinction from a compound, formed by the union of heterogeneous particles.