/ Dictionary / Index J jailer: Meaning and Definition of Find definitions for: jail•er Pronunciation: ( jā'lur), [key] — n. a person who is in charge of a jail or section of a jail. a person who forcibly confines another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jailer (Thesaurus) jail delivery jailhouse Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language