/ Dictionary / Index C copal: Meaning and Definition of Find definitions for: co•pal Pronunciation: (kō'pul, -pal), [key] — n. a hard, lustrous resin obtained from various tropical trees and used chiefly in making varnishes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: copal (Thesaurus) copaiba oil Copán Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language