Definitions for picayuneˌpɪk iˈyun, ˌpɪk ə-
Random House Webster's College Dictionary
pic•a•yuneˌpɪk iˈyun, ˌpɪk ə-(adj.)pic`a•yun′ish.
of little value or account; small; trifling.
petty, carping, or prejudiced.
(n.)(formerly, in Louisiana, Florida, etc.) a coin equal to half a Spanish real.
any small coin, as a five-cent piece.
an insignificant person or thing.
Origin of picayune:
1780–90; < Oc picaioun small copper coin
fiddling, footling, lilliputian, little, niggling, piddling, piffling, petty, picayune, trivial(adj)
(informal) small and of little importance
"a fiddling sum of money"; "a footling gesture"; "our worries are lilliputian compared with those of countries that are at war"; "a little (or small) matter"; "a dispute over niggling details"; "limited to petty enterprises"; "piffling efforts"; "giving a police officer a free meal may be against the law, but it seems to be a picayune infraction"
A small coin of the value of six and a quarter cents; a fippenny bit.
A five-cent piece.
Something of very little value; a trifle: not worth a picayune.
Petty, trivial; of little consequence; small and of little importance; picayunish;
something not worth arguing about.
an argument, fact, corner case, or other issue raised (often intentionally) that distracts from a larger issue at hand or does not change a primary supposition, outcome, postulate, premise, conclusion, hypothesis, judgment or recommendation;
small-minded: being childishly spiteful, tending to go on about unimportant things.
a small coin of the value of six and a quarter cents. See Fippenny bit