the region of the United States lying to the north of the Ohio River and to the east of the Mississippi River, the countries of Asia, One of the four principal compass points, specifically 90ø, conventionally directed to the right on maps; the direction of the rising sun at an equinox, adjective_ Situated or lying in or towards the east; eastward, Of or pertaining to the east; eastern, adverb_ towards the east; eastwards, to, toward, or in the east,