One entry found for stratum.
Main Entry: stra·tum
Pronunciation: strt-m, strat-
Function: noun
Inflected Form(s): plural stra·ta /-/ 1: a layer of a substance; especially: one of a series of layers <a rock stratum> <a stratum of earth> <the deep stratum of the skin> 2: a level of society consisting of persons of the same or similar rank or position