BOT has various meanings:

• Internet Bot A type of computer program
• Larval Bot
• Bot, Tarragona a small municipality in the comarca (county) of Terra Alta, Tarragona province, Catalonia, Spain
• video game Bot, see Zelda II: The Adventure of Link, small, bloblike creatures that jump about and have no means of attack other than direct contact.
• Build-Operate-Transfer
• Wikipedia:Bot