layers
n. countable A2 Elementary US //ˈɫeɪɝz// lay·ers
n. different levels of something that sit on top of each other. You can see this in a cake, your clothes in winter, or the ground.
n. distinct sheets, thicknesses, or levels of material covering a surface or forming a stack. Often used metaphorically to describe levels of complexity in a story or personality.
The cake has three layers of chocolate and cream.
In very cold weather, it is better to wear several thin layers of clothing than one heavy coat.
The geologist explained how the different layers of sedimentary rock provide a chronological record of the region's environmental shifts over millions of years.
Usage
Commonly used with the preposition 'of' to specify the material or substance.