The definition of a series is a group or number of people or things which are related, similar or produced together.(noun)
An example of series is the set of Harry Potter books.
See series in Webster's New World College Dictionary
noun pl. series
Origin: L < serere, to join or weave together < IE base *ser-, to line up, join > Gr eirein, to join together, OE searu, a snare, armor, ON sørvi, necklace
See series in American Heritage Dictionary 4
noun pl. series series
Origin: Latin seriēs
Origin: , from serere, to join; see ser-2 in Indo-European roots. Usage Note: Series is both a singular and a plural form. When it has the singular sense of “one set,” it takes a singular verb, even when series is followed by of and a plural noun: A series of lectures is scheduled. When it has the plural sense of “two or more sets,” it takes a plural verb: Two series of lectures are scheduled: one for experts and one for laypeople.
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