a person in charge of prisoners in a jail
WordReference Random House Learner's Dictionary of American English © 2026
jail•er or jail•or /ˈdʒeɪlɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a person in charge of a jail or section of a jail.
jail•er
( jā′lər),USA pronunciation n.
- a person who is in charge of a jail or section of a jail.
- a person who forcibly confines another.
- Old French jaiolier. See jail, -er2
- Middle English gaioler, jaioler, jailer 1250–1300
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'jailer' also found in these entries (note: many are not synonyms or translations):