apsis

Etymology
From, , from. See also.

Noun

 * 1)  A recess or projection, with a dome or vault, at the east end of a church; an apse.
 * 2)  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
 * 1)  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

Translations

 * Finnish:, , absidi
 * French:
 * German:
 * Irish: cúlbhá
 * Polish: ,
 * Swedish:


 * Finnish:
 * French:
 * German:
 * Irish: aipsis
 * Polish: ,
 * Portuguese: apside
 * Russian:

Etymology
(see 🇨🇬).

Noun

 * 1) An apse architectural element.

Noun

 * 1) arch, vault