Vergĭlĭae

ārum, f.

vergo

I. the constellation of the seven stars, that rises at the end of spring, the Pleiades, Cic. N. D. poët. 2, 44, 112; Auct. B. Afr. 47; Isid. Orig. 3, 70; cf. Fest. p. 372 Müll.
Lewis & Short
A Latin Dictionary, 1879
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