1. A male worker in charge of a lock (on a canal)
   "The lockman operated the gates to allow boats to pass through"

Derived forms: lockmen

Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], lockkeeper, lockmaster, man, sod [informal]

Encyclopedia: Lockman, Lawrence