noun🔗ShareA recess or projection, with a dome or vault, at the east end of a church; an apse."The sunlight streamed through the stained-glass windows in the apsis of the old church, illuminating the altar. "architecturereligionbuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareEither of the points in the elliptical orbit of a planet or comet where it is closest or furthest from the sun; perihelion or aphelion; an apside"Astronomers carefully track the changing distance between Earth and the Sun, paying special attention to Earth's apsis, the points where it is either closest or farthest away in its orbit. "astronomyspacephysicsmathChat with AIVocabulary GamePractice Reading
