/ Dictionary / Index L lamella roof: Meaning and Definition of Find definitions for: lamel'la roof" Pronunciation: [key] a vaulted roof composed of lamellae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lamellar lamellate Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language