1.NounAn argument or objection based on an ambiguity of wording or similar trivial circumstance; a minor complaint. .mw-parser-output .defdate{font-size:smaller}
"He harped on his quibble about how the dark red paint should be described as carmine rather than burgundy."
2.NounA pun.
3.VerbTo complain or argue in a trivial or petty manner.
"They are constantly quibbling over insignificant details."
4.VerbTo contest, especially some trivial issue in a petty manner.