copalPronunciation: /ˈkəʊp(ə)l/Definition of copal noun [mass noun] resin from any of a number of tropical trees, used to make varnish: [as modifier]:copal varnishThe resin is obtained from trees in the families Leguminosae (genera Guibourtia, Copaifera, and Trachylobium) and Araucariaceae (genus Agathis) Origin: late 16th century: via Spanish from Nahuatl copalli 'incense'copal in other Oxford dictionaries Definition of copal in the US English dictionary