Briareus, a Uranid with 50 heads and 100 arms, son of Ouranos and Gaia, i.e. Heaven and Earth, whom Poseidon cast into the sea and buried under Etna, but whom Zeus delivered to aid him against the Titans; according to another account, one of the Giants (q.v.).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Briançon * Brice, St.