Meaning & Definition of Stratum in English

1. 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)

2. People having the same social, economic, or educational status

• "The working class"

• "An emerging professional class"

3. 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"