bull wiki:
l or bull has various meanings: The uncastrated male of cattle. This is the origin of most of the other meanings.A male of various other animal species, including buffalo, elephant, whale. In English, the word "bull" alone is usually spoken to refer specifically to male cattle, with terms such as "bull elephant" disambiguating the term for other species. See also cow.Gerald Bull was an engineer developing long range artillery.Groupe Bull is a computer company.The character of Bull, played by Richard Moll, on the comedy series Night CourtA share-trading term. See Bull marketA slang word for police officers, especially prison guards. In homomasculine slang, a large stocky male who displays aggressive dominant behavior. See also "Bear".Short for bullshit. (slang)In the British Army, and sometimes elsewhere, "bull" is slang for drill and equipment-cleaning that the men consider to be excessive. This usage may derive from a type of Army issue boot polish that was said to look like cattle excrement, thus "bullshit".A papal bull is a written communication from the Vatican, bearing the papal seal. This meaning came from Latin bulla = seal.Golden Bull: a kind of legal document in history
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skull wiki:
l, or cranium, is a bony structure of Craniates which serves as the general framework for a head. The skull supports the structures of the face and protects the brain against injury.
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clip art wiki:
ip art, in the graphic arts, is the use of images either copied or physically cut (hence the term) from pre-existing printed works, either books that have entered the public domain, or books specifically published for such use (which, if they contain images that are not in the public domain, include a license fee in the cover price). It is also not uncommon for large organizations to provide their local divisions or chapters with clip art (either physical or electronic) of their logos, mascots, and so forth, in order that local publications may have a unified appearance. It is also rather common for those producing documents with limited distribution to use images from non-public-domain sources for which they have not paid license fees, such as coloring books, newspapers, magazines, and such, although some magazines, particularly those dealing with hobbies will publish images explicitly licensed to the magazine purchaser for use as clip art.
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