The reason that this page gets such a lot of traffic is that people often search for a definition of team when something is happening that is causing confusion in their own workplace.
We've spent a lot of time on this one and done quite a bit of research. Of all the ideas out there regarding the definition of team, most fall within one of two definitions:
We have found that which definition of team is used by an individual will depend upon their situation. A team leader is likely to go with the first whilst a team member is more likely to go with the second.