To overload or overtax.
A sterile stratum that lies above the stratum being investigated
The rock and subsoil that lies above a mineral deposit such as a coal seam.
To overwhelm; to make too busy, or overrun the capacity of.
To plunge into difficulties and perils; to overwhelm; to ruin; to wreck.
To drench or fill with water.
A piece of wet, spongy land; low ground saturated with water; soft, wet ground which may have a growth of certain kinds of trees, but is unfit for agricultural or pastoral purposes.
A place or situation that is foul or where progress is difficult.
A type of wetland that stretches for vast distances, and is home to many creatures which have adapted specifically to that environment.