The noun series has 7 senses (first 7 from tagged texts)
1. (476) series -- (similar things placed in order or happening one after another; "they were investigating a series of bank robberies")
2. (256) serial, series -- (a serialized set of programs; "a comedy series"; "the Masterworks concert series")
3. (55) series, serial, serial publication -- (a periodical that appears at scheduled times)
4. (54) series -- ((sports) several contests played successively by the same teams; "the visiting team swept the series")
5. (3) series -- (a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection; "the Post Office issued a series commemorating famous American entertainers"; "his coin collection included the complete series of Indian-head pennies")
6. (3) series -- ((mathematics) the sum of a finite or infinite sequence of expressions)
7. (2) series -- ((electronics) connection of components in such a manner that current flows first through one and then through the other; "the voltage divider consisted of a series of fixed resistors")