Plēĭŏnē

ēs, f.
I. A daughter of Oceanus and Tethys, wife of Atlas and mother of the Pleiades: hinc sata Pleione cum caelifero Atlante, Ov. F. 5, 83; Hyg. Astr. 2, 21: Pleiones nepos, Ov. H. 16, 62; Val. Fl. 1, 738.—
II. The constellation of the Pleiades, Val. Fl. 2, 67.
Lewis & Short
A Latin Dictionary, 1879
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