bottom

adjective

1
a cargo ship
they did much of their overseas trade in foreign bottoms
2
the fleshy part of the human body that you sit on
he deserves a good kick in the butt
are you going to sit on your fanny and do nothing?
3
the lower side of anything
4
the lowest part of anything
they started at the bottom of the hill
5
a depression forming the ground under a body of water
he searched for treasure on the ocean bed
6
low-lying alluvial land near a river
7
the second half of an inning; while the home team is at bat

Also useful for “bottom”:Unscrambler— Rearrange the letters in “bottom”