locksman1
/ˈlɒksmən/Scottish. Now historical
noun
A public executioner; = lockman.
Origin
Early 18th century; earliest use found in Fountainhall's Decisions. Apparently an alteration of lockman, after the genitive of lock.
locksman2
/ˈlɒksmən/noun
A person employed to attend and maintain a lock on a canal or river.
Origin
Mid 19th century; earliest use found in New-Yorker. From the genitive of lock + man.
locksman3
/ˈlɒksmən/originally Jamaican
noun
A male Rastafarian who wears dreadlocks.
Origin
1960s. From the plural of lock + man.