What is another word for hemicycles?
Pronunciation: [hˈɛmɪsˌa͡ɪkə͡lz] (IPA) 
Hemicycles refer to half-rounded shapes or architectural features that resemble a semicircle. Some synonyms of hemicycles include apses, exedras, and semidomes. An apse is a recessed semi-circular vault in a building, often at the end of an aisle or nave in a church. Exedra is a term used to describe a semicircular or rectangular space with seating, typically found in ancient Greek and Roman buildings. Lastly, a semidome is a half-dome or half-cylinder shape that can be seen in ceilings, arches, and other architectural structures. All of these terms describe similar shapes to hemicycles and can be used interchangeably in certain contexts.
