demersal - living near and on the bottom

eddies - circular movements of water

gyres - circular movement of water, larger than an eddy; usually applied to a larger system

isobaths - A contour line connecting all points of equal depth below the water surface

meanders - turn or winding curve of a current that may detach from the main stream as an eddy

pelagic - pertaining to the open sea

phosphorite-manganese pavement - hard substrate formed from the precipitation of phosphate (PO4) and manganese (Mn+2) from seawater

scarp - elongated or steep slope separating flat or gently sloping areas on the seafloor

scour - erosion due to bottom currents

shoaling - shallowing or rising