/ Dictionary / Index L lumbago: Meaning and Definition of Find definitions for: lum•ba•go Pronunciation: (lum-bā'gō), [key] — n. Pathol. pain in the lower, or lumbar, region of the back or loins, esp. chronic or recurring pain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lumbago (Thesaurus) lumb- lumbar Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language