stratums

1 definition found

stratums - Collaborative International Dictionary of English v.0.48 :

  Stratum \Stra"tum\, n.; pl. E. Stratums, L. Strata. The
     latter is more common. [L., from sternere, stratum, to
     spread; akin to Gr. ? to spread, strew. See Strew, and cf.
     Consternation, Estrade, Prostrate, Stratus,
     Street.]
     1. (Geol.) A bed of earth or rock of one kind, formed by
        natural causes, and consisting usually of a series of
        layers, which form a rock as it lies between beds of other
        kinds. Also used figuratively.
        [1913 Webster]
  
     2. A bed or layer artificially made; a course.
        [1913 Webster]