Definition of Kavass:

part of speech: noun

In Turkey, an armed constable or policeman.

Usage examples:

• There they jumped into an araba with a kavass on the box, dashed down Pera Street, past the banking quarter, over the Galata bridge, up the Sublime Porte Road and into the Bayazid Square, where they reached their destination. Herbert Strang in "Round the World in Seven Days".

• A magnificent kavass in blue and silver stood outside. John Buchan in "Greenmantle".