סדרה

Noun

 * 1) A series, a sequence: a set of things in a specific order, such as a television series, or a series of books or movies.
 * 2)  A sequence: an ordered set.
 * 3)  An order: a taxon below the level of the class, and above the level of the family.
 * 4) A class, a ship class: a group of ships of the same design.