A group of policemen is commonly referred to as a "police force" or "police department." In some contexts, they may also be called a "squad" or "unit," especially when referring to a specific team within the larger organization, such as a SWAT team or traffic unit. The terminology can vary based on the country and local law enforcement structure.
Slang term for a policeman (usually a constable)
Nicholas I was called the policeman of Europe because of his willingness to use Russian troops to crush uprisings.
water sprayBobby'sa stem of orchids
He was called PC Plod.
A group of Dolphins are called a Pod
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A group of dolphins is called a pod. If that is your question.
A group of shrews is called N.O.W.
a group of Blackbirds is called a murder
A group of hens is called a brood.
A group of martens is called a richness
A group of grouses is called a covey