Eris

[ eer-is, er-is ]
/ ˈɪər ɪs, ˈɛr ɪs /

noun

the ancient Greek goddess of discord and the sister of Ares: identified with the Roman goddess Discordia.
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British Dictionary definitions for erises (1 of 2)

Eris1
/ (ˈɛrɪs) /

noun

Greek myth the goddess of discord, sister of Ares

British Dictionary definitions for erises (2 of 2)

Eris2
/ (ˈɛrɪs) /

noun

the largest dwarf planet in the solar system, located beyond the Kuiper belt. It has a diameter of 2400 km
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