play·er / ˈplāər/ • n. 1. a person taking part in a sport or game: a tennis player. ∎  a person or body that is involved and influential in an area or activity: the country's isolationism made it a secondary player in world political events. 2. a person who plays a musical instrument: a guitar player. ∎  a device for playing compact discs, audiocassettes, etc. 3. an actor.

player Informal Usually, the software that will display the contents of an HTML file; the contents may be text, or digitally encoded audio, images, or video, and the player will present the material using the appropriate hardware. See also World Wide Web.