1. One that plays, especially:
a. One who participates in a game or sport.
b. A gambler.
c. One who performs in theatrical roles.
d. One who plays a musical instrument.
2. An active participant: a major player in world affairs.
3. The mechanism actuating a player piano.
4. A device that plays or controls the playing of audio or video recordings.
5. Slang One who actively seeks out sexual partners and carries on a number of sexual affairs at the same time.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.