/ Dictionary / Index L limbic system: Meaning and Definition of Find definitions for: lim'bic sys"tem Pronunciation: [key] — Anat. Anat. a ring of interconnected structures in the midline of the brain around the hypothalamus, involved with emotion and memory and with homeostatic regulatory systems. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. limbic limbo 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