skull cover with horns with grey background

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. See more at Wikipedia.org...

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 See more at Wikipedia.org...