strata Meaning, Definition & Usage

1. noun 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)
   stratum.
   
2. noun people having the same social, economic, or educational status
   social class; socio-economic class; class; stratum.
   
   • the working class
   • an emerging professional class
3. noun an abstract place usually conceived as having depth
   layer; stratum; level.
   
   • a good actor communicates on several levels
   • a simile has at least two layers of meaning
   • the mind functions on many strata simultaneously

WordNet