1. (n.) A number of things or events standing or succeeding in order, and connected by a like relation; sequence; order; course; a succession of things; as, a continuous series of calamitous events.

2. (n.) Any comprehensive group of animals or plants including several subordinate related groups.

3. (n.) An indefinite number of terms succeeding one another, each of which is derived from one or more of the preceding by a fixed law, called the law of the series; as, an arithmetical series; a geometrical series.

Indian file alternation array arsis articulation back number bank battery beat biotype block bout branch buzz category catena catenation chain chain reaction chaining chasing circle circuit class collection column coming after concatenation connection consecution consecutiveness continuance continuation continuity continuum copy course cycle descent diastole dogging downbeat drone edition endless belt endless round extension family file filiation following gamut genotype genus geometrical progression gradation group heeling hounding hum impression issue kingdom kit library library edition line lineage logical sequence monotone nexus number order order of succession outfit pack pendulum periodicity phylum plenum posteriority postposition powder train printing procession progression prolongation pulse pursual pursuance pursuit queue range rank recurrence reticulation revolution rotation round routine row run scale school edition section sequel sequence set shadowing single file species spectrum spell string subclass subfamily subgenus subjunction subkingdom suborder subspecies subtribe succession successiveness suffixation suit suite superclass superfamily superorder superspecies swath systole tailing thesis thread tier trade book trade edition trailing train tribe turn upbeat variety volume wheel windrow