To collect or gather into a mass.To gather, grow, or collect into a ball or mass: as, “hard, agglomerating salts,”Gathered into a ball or mass; piled together; specifically, in botany, crowded into a dense cluster, but not cohering.n. A fortuitous mass or assemblage of things; an agglomeration.n. In geology, an accumulation of materials made up chiefly of large blocks “huddled together in a pell-mell way, without regard to size, shape, or weight.”