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1. Greek Mythology The son of Daedalus who, in escaping from Crete on artificial wings made for him by his father, flew so close to the sun that the wax with which his wings were fastened melted, and he fell into the Aegean Sea.
2. An asteroid with an eccentric orbit approaching within 30 million kilometers (19 million miles) of the sun.
[Latin Īcarus, from Greek Īkaros.]
(Classical Myth & Legend) Greek myth the son of Daedalus, with whom he escaped from Crete, flying with wings made of wax and feathers. Heedless of his father's warning he flew too near the sun, causing the wax to melt, and fell into the Aegean and drowned
Ic•a•rus(ˈɪk ər əs)
a youth of Greek myth, the son of Daedalus, who, attempting to escape from Crete with his father on wings of wax and feathers, flew so close to the sun that his wings melted and he plunged to his death in the sea.