/ Dictionary / Index L lobar: Meaning and Definition of Find definitions for: lo•bar Pronunciation: (lō'bur, -bär), [key] — adj. of or pertaining to a lobe, as of the lungs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lobar (Thesaurus) Lobachevsky lobar pneumonia Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language