Pic`a*yune" (?), n. [From the language of the Caribs.] A small coin of the value of six and a quarter cents. See Fippenny bit. [Local, U.S.]

• Petty, trivial; of little consequence; small and of little importance; picayunish;
       quotations:
       *"It might seem like a picayune matter, akin to the rivalry in the film "Monty Python's Life of Brian" between the Judean People's Front, the Judean Popular People's Front and the People's Front of Judea." —New York Times, November 17, 2005
  
• something not worth arguing about.
  
• an argument, fact, corner case, or other issue raised (often intentinaly) that distracts from a larger issue at hand or doesn't change a primary supposition, outcome, postulate, premise, conclusion, hypothesis, judgement or recommendation;
  
• small-minded: being childishly spitefull, tending to go on about unimportant things.
  
• A small coin of the value of six and a quarter cents. A Fippenny bit.