Simple Definition of apse
: a part of a church that is shaped like a half circle and that is usually at the east end of the building
Full Definition of apse
1 : apsis 1
2 : a projecting part of a building (as a church) that is usually semicircular in plan and vaulted
Origin of apse
Medieval Latin & Latin; Medieval Latin apsis, from Latin
First Known Use: 1715
Learn More about apse
Britannica.com: Encyclopedia article about "apse"
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