The lowest part or point of something. The bottom of the ocean is home to many mysterious creatures.
The underside or base of an object. The bottom of the box was reinforced with extra tape.
The part of a body that a person sits on; the buttocks. She slipped and landed on her bottom.
The lowest rank or position in a hierarchy or scale. He started at the bottom of the company and worked his way up.
The ground underneath a body of water. The divers reached the bottom of the lake.
A garment worn on the lower part of the body, especially trousers, shorts, or underwear (usually occurring in the plural form). She bought matching yoga bottoms and a sports bra.