<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31416488</termId><termName>tetraconchs</termName><termType>PT</termType><termNote><![CDATA[ Buildings, usually churches, mausoleums, or baptistries, having a cross plan with four apses. Usually the arms of the cross form a Greek cross plan, with arms of equal length. The design was common in Byzantine architecture. ]]></termNote><termCreatedDate>2026-03-30 20:52:05</termCreatedDate><relation><relationType>UF</relationType><termId>31416489</termId><termName>tetraconch</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31380802</termId><termName>apsidal buildings</termName><termType>PT</termType></relation></term>  </Zthes>