bot

1 botanical; botanist; botany

2 bottle

3 bottom

4 bought

1 :  robot Bennett's referring to … a new police robot. It looks similar to the Albuquerque Bomb Squad robot next to it—both have cameras, an articulated arm, a mechanical gripper, and tank-like treads. But Benett's bot is different; it has brains. — Popular Science

2a :  a computer program that performs automatic repetitive tasks :  agent 5 Several shopping “bots” will track down prices for on-line merchandise from a variety of vendors. — Sam Vincent Meddis; especially :  one designed to perform a malicious action These bot programs churn away all day and night, prodding at millions of random IP addresses looking for holes to crawl through. — Jennifer Tanakab :  a computer that has been infected with a bot and can be used for malicious purposes as part of a network of infected computers These proxies then sent instructions to worker bots in set patterns, including templates for spam creation. — Jeff Hecht

3 :  a computer program or character (as in a game) designed to mimic the actions of a person

:  the larva of a botfly; especially :  one infesting the horse

1botanical; botanist; botany

2bottle