This is the 11237th most frequent Turkish word.
düğmesi
The Turkish word "düğmesi" means "its button" or "the button of it."
Here, 'düğmesi' refers to a clothing button and is in a possessive form, describing its belonging to the jacket.
Ceketinin düğmesi kopmuş.
The button of your jacket is torn off.
In this example, 'düğmesi' signifies a button on a device, again in a possessive form, indicating the machine's button.
Makinenin düğmesi bozulmuş.
The machine's button is broken.
Here, 'düğmesi' again is in the possessive form, attributing the button to the safe, describing its characteristic.