Lewis Short
hērōis | Hērōĭdes (noun F) = ἡρωΐς:
* A demi-goddess, heroine: heroidum ac dearum personis effictis,Suet. Ner. 21: veteres heroidas aequare,Ov. Am. 2, 4, 33.—In Gr., dat. plur. heroisin, Ov. Tr. 5, 5, 43.
* The title of the Epistles of Ovid, acc. to Prisc. p. 908 P.
Charlton T. Lewis, Charles Short, A Latin Dictionary