1Scottish historical A public executioner; a hangman. Compare locksman .
The lockman was also responsible for the punishment of petty criminals.
2British dialect A deputy or assistant to the coroner.
The coroner can appoint a lockman for each parish within his or her sheading. The responsibilities of the lockman include summoning juries and witnesses to court and ensuring the execution of judgements. In former times duties extended to maintaining law and order, with the power to arrest in criminal cases.
Late 15th century; earliest use found in Hary (c1440–c1492), poet. Origin uncertain;.
A man employed to attend and maintain a lock on a canal or river.
Early 19th century; earliest use found in The Glasgow Herald. From lock + man.