klɑːs ˈlɛv.əl ˈstɹɑːtəm

a subpopulation divided into a stratified sampling an abstract place usually conceived as having depth a good actor communicates on several levels a simile has at least two layers of meaning the mind functions on many strata simultaneously people having the same social, economic, or educational status the working class an emerging professional class one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)