(Ὄγκα), a surname of Athena, which she derived from the town of Oncae in Boeotia, where she had a sanctuary. (Aeschyl. Sept. 166, 489; Paus. 9.12.2; Schol. ad Eurip. Phoen. 1062.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890