audita querela

from The Century Dictionary.

• noun In law, a form of action in which the judgment debtor strives to recall or prevent execution on a judgment to which he claims a valid defense; the writ by which such action is begun.

from the GNU version of the Collaborative International Dictionary of English.

• (Law) A writ which lies for a party against whom judgment is recovered, but to whom good matter of discharge has subsequently accrued which could not have been availed of to prevent such judgment.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun law A writ which lies for a party against whom judgment is recovered, but to whom good matter of discharge has subsequently accrued which could not have been availed of to prevent such judgment.