a shallow pit or depression like the mark left by a smallpox pustule; foveola.
a light-colored spherule, common in some igneous rocks, that gives a pockmarked appearance to weathered rock surfaces.
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British Dictionary definitions for variole
any of the rounded masses that make up the rock variolite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012