the world > the earth > water > sea or ocean > region of sea or ocean > [noun] > deep place (7)
A deep pool; a deep place in a river or the sea; a whirlpool or eddy.
A deep place; an abyss. Apparently only in sea dingle. rare (archaic or literary in later use).
A deep place in the sea; a gulf.
the deep part of the ocean, now typically from a depth of 3000 metres (1.9 miles) down to 6000 metres (3.7 miles), though the numerical limits…
Oceanography. An abyssal zone or region.