Kettle/ˈketl/ Definition 1 of 5Pro Tip 1/2Device Usage Specify the use to differentiate from cooking vessels when context isn't clear. She filled the electric kettle with water for her morning coffee. Pro Tip 2/2Cultural Commonality In British culture, offering to 'put the kettle on' is a sign of hospitality. When the guests arrived, he immediately offered to put the kettle on.