cohort

Series Se"ries, n. [L. series, fr. serere, sertum, to join or bind together; cf. Gr. ??? to fasten, Skr. sarit thread. Cf. {Assert}, {Desert} a solitude, {Exert}, {Insert}, {Seraglio}.] 1. 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. [1913 Webster]

During some years his life a series of triumphs. --Macaulay. [1913 Webster]

2. (Biol.) Any comprehensive group of animals or plants including several subordinate related groups. [1913 Webster]

Note: Sometimes a series includes several classes; sometimes only orders or families; in other cases only species. [1913 Webster]

3. (Bot.) In Engler's system of plant classification, a group of families showing certain structural or morphological relationships. It corresponds to the {cohort} of some writers, and to the {order} of many modern systematists. [Webster 1913 Suppl.]

4. (Math.) 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. [1913 Webster]

5. (Elec.) A mode of arranging the separate parts of a circuit by connecting them successively end to end to form a single path for the current; -- opposed to {parallel}. The parts so arranged are said to be

{in series}. [Webster 1913 Suppl.]

6. (Com.) A parcel of rough diamonds of assorted qualities. [Webster 1913 Suppl.]