χοιρίνη
From LSJ
Ἡ βουλὴ καὶ ὁ δῆμος ἐτίμησεν... → The Council and the People honored... (inscription in the Roman city of Aizonai)
English (LSJ)
[ῑ], ἡ,
A small sea-mussel, used by the Athenian dicasts in voting, Ar.Eq.1332, V.333, 349 (all anap.), Poll.8.16; wrongly expld. by Suid., of hog's bristles.