mavi ceketli

listen to the pronunciation of mavi ceketli
التركية - الإنجليزية
bluecoat
A soldier or officer in the Union army during the American Civil War
A traditional dress code at certain prestigious British schools

This was a bluecoat school in my day.

A policeman
{i} policeman in blue uniform
One dressed in blue, as a soldier, a sailor, a beadle, etc