A person, typically a man, who is admired or idealized for courage, outstanding achievements, or noble qualities. A priestess of Aphrodite at Sestos on the European shore of the Hellespont, whose lover Leander, a youth of Abydos on the opposite shore, swam the strait nightly to visit her. One stormy night he was drowned, and Hero in grief threw herself into the sea. ( 1st century ) , Greek mathematician and inventor; known as Hero of Alexandria . He described a number of hydraulic, pneumatic, and other mechanical devices, including elementary applications of the power of steam.