μελαινίς
From LSJ
κρῖναι δὲ λόγῳ πολύδηριν ἔλεγχον ἐξ ἐμέθεν ῥηθέντα → judge by reason the too much contested argument which has been given by me
English (LSJ)
ίδος, ἡ,
A the black, a name of Aphrodite at Corinth, Ath. 13.588c. II a bivalve sea-shell, used as a drinking-cup, Sophr. 101, Herod.1.79; = πελωρίς, Xenocr. ap. Orib.2.58.97. III μελαῖνις (sic) αἲξ καὶ βοῦς from Melaenae, Diosc.Gloss. ap. Gal.19.120.