annular crypt

annular crypt

A crypt in a church that has a semi-circular ambulatory leading to the main chamber, which contains a relic of a saint.
References in periodicals archive ?
The most remarkable surviving feature of this Carolingian-period complex is the annular crypt in the central western apse of the basilica [ILLUSTRATION FOR FIGURE 2 OMITTED].
This would mean that the annular crypt was not completed and decorated until the years immediately following Joshua's death, half a generation after the consecration in AD 808.