Noun: Referring to a group of individuals with differing ideologies or competing interests who set aside their differences and collaborate towards a common objective.
Example sentence: The company formed a team of rivals including experts from rival companies to design their groundbreaking product.
Noun: An allusion to Doris Kearns Goodwin's book "Team of Rivals: The Political Genius of Abraham Lincoln," describing the administration of President Lincoln, where he appointed his political rivals to his cabinet.
Example sentence: The strategy of building a team of rivals proved effective as it led to better decision-making and brought diverse perspectives to the table.