noun, plural os·tra·ca [os-truh-kuh] /ˈɒs trə kə/.
(in ancient Greece) a potsherd, especially one used as a ballot on which the name of a person voted to be ostracized was inscribed.
Origin of ostracon
1880–85; < Greek óstrakon; see ostracize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(in ancient Greece) a potsherd used for ostracizing
Word Origin for ostracon
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