Definiton Of "Team Player"

I think that everyone has been told to be a team player, yet there is no clear definition of what a team player is. A team player can be associated to any type of profession a person participates in while working with a group of people trying to accomplishment the same goal. In the Webster's Student Dictionary, there is nothing about the phrase "team player" but, the closest to team player is the definition of …

…the idea is that everyone learns off each other and by doing this everyone learns what is needed to function as a team. This will help the team complete more goals successfully and will produce many team players where everyone is a leader. To be a team player, one cannot be selfish nor need recognition for one's individual acts or contributions. True team players only express pleasure when the team as a whole is successful.