1lay·er 
/ˈlejɚ/ noun
plural lay·ers /ˈlejɚ/ noun [count] 1 : an amount of something that is spread over an area
▪ Everything was covered by a thin layer of sand/dust. ▪ a layer of clouds — see also ozone layer 2 : a covering piece of material or a part that lies over or under another
▪ The top layer of the rug is badly worn but the bottom layer is still OK. ▪ The cake has three layers. ▪ She glued together several layers of paper. ▪ He was wearing several layers of clothing. ▪ rocks that formed in layers from flows of lava ▪ (US) When the weather is cold you should dress in layers. [=you should wear several pieces of clothing on top of one another] — often used figuratively ▪ His novels have many layers [=levels] of meaning. ▪ a dish that has many layers of flavor [=that has many different flavors] 3 : a bird that lays eggs
▪ Their hens were poor layers. [=their hens did not produce many eggs] 4 : a worker who lays something (such as bricks)
▪ a brick layer
▪ Everything was covered by a thin layer of sand/dust. ▪ a layer of clouds — see also ozone layer
▪ The top layer of the rug is badly worn but the bottom layer is still OK. ▪ The cake has three layers. ▪ She glued together several layers of paper. ▪ He was wearing several layers of clothing. ▪ rocks that formed in layers from flows of lava ▪ (US) When the weather is cold you should dress in layers. [=you should wear several pieces of clothing on top of one another] — often used figuratively ▪ His novels have many layers [=levels] of meaning. ▪ a dish that has many layers of flavor [=that has many different flavors]
▪ Their hens were poor layers. [=their hens did not produce many eggs]
▪ a brick layer
