from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The parasitic larva of a botfly.
  • n. A disease of mammals, especially cattle and horses, caused by infestation of the stomach or intestines with botfly larvae.
  • n. A software program that imitates the behavior of a human, as by querying search engines or participating in chatroom or IRC discussions.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The larva of a bot fly, which infests the skin of various mammals, producing warbles, or the nasal passage of sheep, or the stomach of horses.
  • n. A physical robot.
  • n. A piece of software designed to complete a minor but repetitive task automatically or on command, especially when operating with the appearance of a (human) user profile or account.
  • n. A computer controlled character in a multiplayer video game, such as a first-person shooter.
  • v. To bugger
  • v. To ask for and be given something with the direct intention of exploiting that thing’s usefulness, almost exclusively with cigarettes.

from the GNU version of the Collaborative International Dictionary of English

  • n. See bots.

from The Century Dictionary and Cyclopedia

  • A Middle English form of but.
  • n. A name given to the larva or maggot of several species of gadfly when found in the intestines of horses, under the hides of oxen, in the nostrils of sheep, etc.
  • n. The Anglo-Saxon form (bōt) of boot, a fine, etc.: only in historical use.
  • n. An obsolete preterit of bite.
  • n. The English Board of Trade unit of electrical supply.
  • n. A dialectal form of bat in various senses. Also spelled bott.
  • n. In founding, a clay plug used to close a hole against molten iron.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. botfly larva; typically develops inside the body of a horse or sheep or human


Middle English, probably of Low German origin.
Short for robot.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Possibly a modification of Scottish Gaelic boiteag ("maggot"). (Wiktionary)
From bottom. (Wiktionary)
Shortened from robot. (Wiktionary)



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