noun
bot
BAHT/bɑːt/
A software-controlled agent that performs tasks automatically.
The bot automatically sorts incoming messages into folders on the computer.

Etymology
Robot supplied the idea of a machine carrying out tasks like a human agent. Shortened to bot, that idea applies to software doing automated work online.
In context
somebody designs a robot a chat bot that is supposed to like test people to see if it's they can tell if it's a human or not
More examples
- The bot checks the website every hour.
- Players complained that automated bots were filling the game.
- She wrote a bot to sort incoming requests.
Forms
bot · bots
Similar words
- script
- A script is a sequence of instructions; bot emphasizes an automated agent carrying out tasks.