That part of the sea out of sight of land.
A sea open to all nations, i.e. not a mare clausum.
Mud or fine earth deposited from running or standing water.
Material with similar physical characteristics, whatever its origins or transport.
A particle from 3.9 to 62.5 microns in diameter, following the Wentworth scale.
To flow through crevices; to percolate.
To clog or fill with silt.
To become clogged with silt.