[uncountable, countable] a formal examination of evidence in court by a judge and often a jury, to decide if somebody accused of a crime is guilty or not a murder trial He's on trial for murder. She will stand trial/go on trial for fraud. The men were arrested but not brought to trial. The case never came to trial. She is awaiting trial on corruption charges. He did not receive a fair trial. She was detained without trial. Parker was committed for trial yesterday at Southwark Crown Court.