[1] : The Collaborative International Dictionary of English v.0.48

copal \co"pal\ k=o"pal; 277, sp., fr. mexican copalli, a
   generic name of resins. --clavigero.
   a resinous substance flowing spontaneously from trees of
   zanzibar, madagascar, and south america trachylobium
   hornemannianum, trachylobium verrucosum, and hymenaea
   courbaril, and dug from earth where forests have stood in
   africa; -- used chiefly in making varnishes. --ure.
   1913 webster
see also:
trachylobium hornemannianum trachylobium verrucosum hymenaea courbaril 

[2] : WordNet (r) 2.0

copal
     n : a brittle aromatic resin used in varnishes

Copal >> C Words
Copal, definition of term: Copal
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