n the lower side of anything
n the lowest part of anything
n the fleshy part of the human body that you sit on
n the second half of an inning; while the home team is at bat
n a depression forming the ground under a body of water
n low-lying alluvial land near a river
n a cargo ship
v provide with a bottom or a seat
v strike the ground, as with a ship's bottom
v come to understand