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stratum

/ˈstɹɑː.təm/ noun

Latin root: strātum Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about stratum at Wordnik → Where our words come from →

  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
  3. An abstract place usually conceived as having depth.
    a good actor communicates on several levels

Origin

Borrowed from Latin strātum (“a spread for a bed, coverlet, quilt, blanket; a pillow, bolster; a bed”), neuter singular of strātus, perfect passive participle of sternō (“spread”). Doublet of estrade and street.

From Wiktionary, via Kaikki.org (CC BY-SA)