Note:  Do not rely on this information. It is very old.


Apse,in Architecture, a semicircular recess forming the E. termination of the chancel of a church. In early churches it is frequently found at the w. end. They have their origin in the Courts of justice which formed part of the Roman Basilica; they are sometimes covered with semi-domed vaults or with ribbed vaults as in the church at Dalmeny.