as a supercategory distinguished from the sciences (pure and applied) and foundational disciplines, is extremely difficult to characterize in such a way that includes all the categories that are often placed under this heading. What, for example, do the visual arts, religion, and recreation have to do with each other?
We could say culture refers to those things that exist in some form in every society, but which differ in particular expression from society to society. - TimShell
I would go off sounding like a dictionary to say: 'the pattern of knowledge, belief, and behavior that depends, in part, on the capacity to learn that enables members to transmit knowledge to succeeding generations' or 'the set of shared attitudes, values, goals, and practices that characterize a group' or 'to grow in a prepared medium.' (That last one being both off-topic and an interesting restatement of the first.) --PhillipHankins