Origin of apse
Related formsap·si·dal [ap-si-dl] /ˈæp sɪ dl/, adjectiveap·si·dal·ly, adverb
Examples from the Web for apsidal
At first the apsidal east end, common in the Norman times, was retained.
On the east side of the transept were formerly two apsidal chapels, but all traces of these have been removed.The Cathedrals of Great Britain|P. H. Ditchfield
An apsidal chapel projects from each arm of the transept, as in the Romanesque edifices of the region.How France Built Her Cathedrals|Elizabeth Boyle O'Reilly
The foundations of a small chapel with apsidal eastern termination have been discovered outside the castle.
This is a vaulted church, with an apsidal east end and transepts.