noun, plural stra·ta [strey-tuh, strat-uh] /ˈstreɪ tə, ˈstræt ə/, stra·tums.
Origin of stratum
Examples from the Web for stratum
But their young deputies and ministerial director generals tended to be from this recently-returned, Western-educated stratum.
The stratum containing the Cudahy local fauna immediately underlies the Pearlette Ash.
The stratum from which the jaw was taken was intact and had never been disturbed.A Manual of the Antiquity of Man|J. P. MacLean
But a second was found in the stratum above (see the Illustration, No. 35, at the end of the Introduction).Troy and its Remains|Henry (Heinrich) Schliemann
British Dictionary definitions for stratum
noun plural -ta (-tə) or -tums
Word Origin for stratum
Word Origin and History for stratum
"horizontal layer," 1590s, from Modern Latin stratum, special use of Latin stratum "thing spread out, coverlet, pavement," from neuter past participle of sternere "to spread out, lay down, stretch out," from PIE *stre-to- "to stretch, extend," from root *stere- "to spread, extend, stretch out" (see structure (n.)).