A temporary group of military units brought together, under a single commander, to accomplish a specific objective(noun)
A similar group of individuals assigned a task(noun)
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Use "task-force" in a sentence
"In an Oct. 19 comment letter, Lincoln Chief Executive Dennis Glass called a task-force draft statement advocating steeper reserves "inflammatory in its accusation that certain unnamed life-insurance companies are under-reserved.""
"The task-force report calls teacher effectiveness the "most important in-school factor for improving student achievement.""
"To fill understaffed car patrol units, the department has scaled down gang and drug task-force units, as well other specialized crime units."