The definition of a stratum means a layer or a section, or a division of the atmosphere or ocean, or a section of society.
(noun)See stratum in Webster's New World College Dictionary
Origin: ModL < L, a covering, blanket < stratus, pp. of sternere, to spread, stretch out, cover: for IE base see strew
See stratum in American Heritage Dictionary 4
noun pl. stra·ta (-tə) or stra·tums
Origin:
Origin: Latin strātum, a covering
Origin: , from neuter past participle of sternere, to spread; see stratus
.Related Forms:
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