bottom

low-lying alluvial land near a river

strike the ground, as with a ship's bottom

the lowest part of anything

“they started at the bottom of the hill”

the lowest rank

“bottom member of the class”

a cargo ship

“they did much of their overseas trade in foreign bottoms”

the second half of an inning; while the home team is at bat

a depression forming the ground under a body of water

the lower side of anything

the fleshy part of the human body that you sit on

come to understand

provide with a bottom or a seat

“bottom the chairs”

situated at the bottom or lowest position

“the bottom drawer”