ostracon

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os·tra·con

O0144975 (ŏs′trə-kŏn′)n. pl. os·tra·ca (-kə) An inscribed potsherd.
[Greek ostrakon, shell; see ost- in Indo-European roots.]

ostracon

(ˈɒstrəˌkɒn) n1. (Anthropology & Ethnology) (in ancient Greece) a potsherd used for ostracizing2. (Archaeology) (in ancient Greece) a potsherd used for ostracizing[from Greek]

os•tra•con

or os•tra•kon

(ˈɒs trəˌkɒn)

n., pl. -ca or -ka (-kə) (in ancient Greece) a potsherd, esp. one used as a ballot on which the name of a person voted to be ostracized was inscribed. [1880–85; < Greek óstrakon; see ostracize]