Breadcrumb Home > Dictionary > Index C cobnut: Meaning and Definition of Find definitions for: cob•nut Pronunciation: (kob'nut"), [key] — n. the nut of certain cultivated varieties of hazel, Corylus avellana grandis. a tree bearing such nuts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cobnut (Thesaurus) Coblenz COBOL ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language