/ Dictionary / Index C culverin: Meaning and Definition of Find definitions for: cul•ver•in Pronunciation: (kul'vur-in), [key] — n. medieval form of musket. a kind of heavy cannon used in the 16th and 17th centuries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: culverin (Thesaurus) culver hole Culver's root Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language