ocean n
	[ME occean, fr. L oceanus, fr. Gk Okeanos, a Titan who rules over the river that encircles the earth in Greek mythology] 1 a : the whole body of salt water that covers nearly three fourths of the surface of the globe b : any of the large bodies of water into which the great ocean is divided 2 : a very large or unlimited space or quantity
odyssey n
	[the Odyssey, epic poem attributed to Homer recounting the long wanderings of Odysseus, a king of Ithaca and Greek leader in the Trojan War who after the war wanders 10 years before reaching home] 1 : a long wandering or voyage usu. marked by many changes of fortune 2 : an intellectual or spiritual wandering or quest
Oedipus complex n
	[L, fr. Gk Oidipous, the son of Laius and Jocasta who in fulfillment of an oracle unknowingly kills his father and marries his mother] : the positive libidinal feelings of a son toward his mother and hostile or jealous feelings toward his father that may be a source of adult personality disorder when unresolved
ogre n
	[F, prob. ultim. fr. L Orcus, god of the underworld] 1 : monster that feeds on human beings 2 : a dreaded person or object
Olympian adj
	[L, fr. Gk Olympos, a mountain in Thessaly that in Greek mythology is the abode of the gods] : lofty
Olympian n
	a being of lofty detachment or superior attainments
Olympus trademark
	a photographic technology company
Orion n
	[L, fr. Gk Orion, a giant hunter slain by Artemis in Greek mythology] 1 : a constellation on the equator represented on charts by the figure of a hunter with a belt and sword 2 trademark : a motion picture production company
orphic adj
	[fr. L Orpheus, fr. Gk, poet and musician in Greek mythology who almost rescues his wife Eurydice from Hades by charming Pluto and Persephone with his lyre] 1 : mystic, oracular 2 : fascinating, entrancing
Orphism n
	[Orpheus, its founder]: a mystic Greek religion offering initiates purification of the soul from innate evil and release from the cycle of reincarnation