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traffic cop

American  

noun

Informal.
  1. a police officer who directs the flow of traffic, usually at an intersection.


traffic cop British  

noun

  1. informal a policeman who supervises road traffic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of traffic cop

An Americanism dating back to 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A decade ago, he played traffic cop to an intrasquad rivalry between Hamilton and his German teammate Nico Rosberg.

From The Wall Street Journal • Apr. 28, 2026

Five Scottish tries in the bag, a 27-point lead on the board and Finn Russell directing his players around the pitch with the authority of the world's greatest traffic cop.

From BBC • Mar. 8, 2025

Two: Madeleine Westerhout, who was basically the sort of traffic cop in the White House, sitting right outside the Oval Office, trying to direct what was happening.

From Slate • Sep. 6, 2024

Daniels often operates like a traffic cop at the top of the high post while directing the offense.

From Seattle Times • Mar. 23, 2023

I open my mouth to say sumpin’ and she raise her bony claw hand up like a traffic cop.

From "Girls Like Us" by Gail Giles

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