triapsal

adjective

tri·​ap·​sal

(ˈ)trī¦apsəl

variants or less commonly triapsidal

-sədᵊl

: having three apses

—used of a building

the apses in a triapsal church may be side by side at the east end or they may be projected from a central tower

Word History

Etymology

triapsal from tri- + apse + -al; triapsidal from tri- + apsidal

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