pI kə yun
adjective
1. having little value or significance; small; paltry.
She gets impatient when her mother only wants to talk about picayune matters.
2. small-minded; petty; stingy.
I detest the picayune quibbling about who should pay for dinner.
noun
1. a coin formerly in circulation in states of the southern United States worth five cents or one half of a Spanish real.
2. anything trifling, small, or trivial.