Apsis and Apse

Apsis noun - A domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar.

Apse is a synonym for apsis. In some cases you can use "Apse" instead a noun "Apsis".

Apse noun - A domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar.

Apsis is a synonym for apse. You can use "Apsis" instead a noun "Apse". popular alternative