copal definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
fossil resin and other hard resins from tropical trees, used in varnishes and lacquers
Origin: Spanish ; from Nahuatl copalli, resin
copal definition by American Heritage Dictionary
Any of several brittle aromatic yellow to red resins of recent or fossil origin, obtained from various tropical trees and used in certain varnishes.
Origin: Spanish, from Nahuatl copalli, resin.