/ Dictionary / Index F frontal lobe: Meaning and Definition of Find definitions for: fron'tal lobe' Pronunciation: [key] — Anat. Anat. the anterior part of each cerebral hemisphere, in front of the central sulcus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frontality frontal lobotomy Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language