An apsidole or absidiale is a small or secondary apse, one of the apses on either side of the main apse in a triapsidal church, or one of the apse-chapels when they project on the exterior of the chur

An apse chapel, apsidal chapel, or chevet is a chapel in traditional Christian church architecture, which radiates tangentially from one of the bays or divisions of the apse. It is reached generally b