/ Dictionary / Index L Luke: Meaning and Definition of Find definitions for: Luke Pronunciation: (lk), [key] — n. an early Christian disciple and companion of Paul, a physician and probably a gentile: traditionally believed to be the author of the third Gospel and the Acts. the third Gospel. a male given name: from the Greek word meaning “man of Lucania.” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: luke (Thesaurus) Lukas lukewarm Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language