noun
A legal term for a new trial after a previous one has been invalidated or appealed. Often used in criminal cases. Compare with 再審, which can also mean retrial but may have slightly different legal nuances.
See also: 再審
彼の弁護士はやり直し裁判を請求した。
His lawyer requested a retrial.
Compound of やり直し (re-doing, from the verb やり直す) and 裁判 (trial, court).