0 a piece of furniture with a worktop (= a flat surface on which food can be prepared) and cupboard space, that is placed in the middle of a kitchen:
In recent years, kitchen islands and eat-in kitchens have become the norm for new home construction.
Around the kitchen island, the teenagers talked about the project and what they have learned.
I've got a lovely cooker and hob on a beautiful kitchen island, but I use the microwave behind it.
