'Jailer' definitions:

Definition of 'jailer'

(from WordNet)
noun
Someone who guards prisoners [syn: prison guard, jailer, jailor, gaoler, screw, turnkey]

Definition of 'Jailer'

From: GCIDE
  • Jailer \Jail"er\, n. [OE. jailer, gailer, OF. geolier, F. ge[^o]lier. See Jail.] The keeper of a jail or prison. [Written also jailor, gaoler.]

Definition of 'jailer'

From: Easton
  • Jailer (of Philippi), Acts 16:23. The conversion of the Roman jailer, a man belonging to a class "insensible as a rule and hardened by habit, and also disposed to despise the Jews, who were the bearers of the message of the gospel," is one of those cases which illustrate its universality and power.