Metal or wood plates on a door that protect the keyhole or the handle.
Scutcheons are usually found on fancy or old doors.
Examples:
The shiny scutcheons on the door make it look very nice.
The scutcheons on the door are made of gold.
He touched the scutcheons on the door and they felt cold.
The scutcheons on the door are like little hats for the keyholes.
The scutcheons on the door are so big, they look like shields.
The scutcheons on the door are like the ones in the princess's castle.