a police officer who investigates crime and who is of the lowest rank
Examples of 'detective constable' in a sentence
detective constable
He was demoted to the role of detective constable and is now on sick leave.
Times, Sunday Times (2012)
He is a toughened detective constable, looking at her with a mix of emotions.
Times, Sunday Times (2009)
It had clamped its jaws around the leg of the trainee detective constable and refused to let go, police said.
The Sun (2014)
To become a detective you have to spend at least two years in uniform and then pass the required exams to become detective constable, sergeant and inspector.