A continued succession in the things of the same order, and bearing the same relation to each other; as a series of kings; a series of successors.

Sequence; order; course; succession of things; as a series of calamitous events.

In natural history, an order or subdivision of some class of natural bodies.

In arithmetic and algebra, a number of terms in succession, increasing or diminishing in a certain ratio; as arithmetical series and geometrical series.