(sports) The second best team a club has. A team composed of players under contract to a club but who do not normally play in matches for the first team.

A group within an organization tasked with repelling the efforts of the red team to defeat their security etc.

(military) a group of fighters to be sent on missions / (incident management) a group of specialists in a discipline, assigned to a task requiring their specialty.

(sports, particularly NCAA basketball, and some esports, particularly Rocket League) A team on the bubble for an upcoming tournament.

(idiomatic) To associate with another in a joint enterprise.

Teamwork should focus on the needs of the team, not on the individual.

(professional wrestling) A group of wrestlers who work together as a team. Only one is in the ring at any given time, and they change places by "tagging" each other with a gesture like a high five.

Performed by two or more people or groups working alternately.

(professional wrestling) To wrestle as part of a tag team. / To alternate working with someone else in order to accomplish a task.

Used other than figuratively or idiomatically: see team, player. / (management) A person who can function effectively with others in a group, sharing information and striving towards a common goal.