Dressed in or wearing uniform. (Frequently 1880–.) spec. of police officers: see uniform, n. compounds b.

scenes-of-crime (also scene-of-crime): (attributive) of or relating to a crime scene or to crime scenes generally (esp. with reference to the…

Of military troops, police, etc.: able to move or be moved rapidly from place to place.

In the sense ‘wearing uniform; uniformed’; spec. in the police force, distinguished from the plain-clothes section, esp. in uniform branch.