terrace:A raised level place for walking, with a vertical or sloping front or sides faced with masonry, turf, or the like, and sometimes having a balustrade; esp. a raised walk in a garden, or a level surface formed in front of a house on naturally sloping ground, or on the bank of a river, as ‘The Terrace’ at the Palace of Westminster.—Oxford English Dictionary terrace:a flat outdoor area next to a building or on a roof, where you can sit outside to eat, relax etc.——Longman Dictionary of Contemporary English  @en