macle 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.
a twin crystal, as of a diamond
Origin: French ; from Old French mascle, probably ; from Old Dutch maske, mesh
macle definition by American Heritage Dictionary
- A twinned crystal.
- A dark spot or discoloration in a mineral.
Origin: French, from Old French, lozenge, from Latin macula, mesh.