1. the lowest part or surface of something
2. the ground under a body of water
3. the buttocks
Usage: informal

1. in the lowest position

1. to reach the lowest point

Examples

• The keys fell to the bottom of the bag.
• The ship sank to the bottom of the ocean.
• She finished at the bottom of her class.
• Put the heavy books on the bottom shelf.
• The stock price bottomed out last month.
• There’s mud at the bottom of the lake.
• He started at the bottom and worked his way up.