Arranged or disposed in a series, rank, or row, as several like things set one after another; placed seriatim; successive, as beads on a string. Also seriate.Characterized by or exhibiting serial arrangement; having the nature or quality of a series; of or pertaining to series: as, serial homology (see homology).Published at regularly recurring or successive times; periodical, as a publication; pertaining to a serial.n. A tale or other composition published in successive numbers of a periodical.n. A work or publication issued in successive numbers; a periodical.