/ Dictionary / Index I insula: Meaning and Definition of Find definitions for: in•su•la Pronunciation: (in'su-lu, ins'yu-), [key] — pl. -lae a group of convolutions situated at the base of the lateral fissure of the brain. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. insufflate insulant Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language