RhymeZone: graeae definitions

Definitions of Graeae:

noun: (Greek mythology) Three sisters, old women with grey hair — Deino (or Dino), Enyo, and Pemphredo (or Pephredo) — who shared a single eye and a single tooth. They were daughters of the sea-deities Phorcys and Ceto.

(Definitions from Wiktionary)