bot

Short definition from Wiktionary

Noun

1. 1
   The larva of a botfly, which infests the skin of various mammals, producing warbles, or the nasal passage of sheep, or the stomach of horses.
2. 2
   The bottom or backside.
3. 3
   A physical robot.
4. 4
   A piece of software designed to perform a task (often a minor but repetitive one) automatically or on command, especially when operating with the appearance of a (human) user profile or account.
5. 5
   A computer-controlled character in a video game, especially a multiplayer one.
6. 6
   A supremely unskilled player.
7. 7
   A person with no ability to think for themselves; (by extension) an unintelligent or contemptible person.
8. 8
   Initialism of beginning of tape.
9. 9
   Initialism of Build–operate–transfer.
10. 10
    Abbreviation of Bǽh-oe-tu.

Verb

1. 1
   To bugger.
2. 2
   To ask for and be given something with the direct intention of exploiting the thing’s usefulness, almost exclusively with cigarettes.
3. 3
   To use a bot, or automated program.