/ Dictionary / Index J jetliner: Meaning and Definition of Find definitions for: jet•lin•er Pronunciation: ( jet'lī"nur), [key] — n. a commercial jet plane for carrying passengers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: jetliner (Thesaurus) jet lag jet plane Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language