Breadcrumb Home > Dictionary > Index C cobweb houseleek: Meaning and Definition of Find definitions for: cob'web house'leek Pronunciation: [key] a small southern European plant, Sempervivum arachoideum, of the stonecrop family, having a dense, globular cluster of cobwebby leaves and red flowers on hairy stalks. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cobwebby coca ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language