apsis
suomi-englanti sanakirjaapsis englannista suomeksi
absidi, apsis, alttarikomero, apsidi
apsis englanniksi
apse
A recess or projection, with a dome or vault, at the east end of a church; an apse.
{{quote-text|en|year=2019|title=A Companion to Medieval Lübeck|page=96
Either of the points in the elliptical orbit of a planet, comet, or moon where it is closest or furthest from the body it orbits; examples are perihelion, aphelion, perigee, and apogee
An apse (gloss).
arch, vault