A cave, grotto, or subterraneous place of large extent used for the burial of the dead; -- commonly in the plural.

Early Christian underground burial place, consisting of long tunnels with niches and chambers

A Roman underground burial ground where Christians formerly indulged in symbolic cannibalism among the proscribed bodies of friends, relatives, and countrymen. Now used to name any underground burial ground with walking space including the basements of mausoleums and the sewers of Paris.

Catacomb is a WebDAV repository module for use with the Apache WebDAV module, mod_dav. Apache mod_dav parses WebDAV and DeltaV protocol requests into operations on a repository providing persistent storage of resources and their properties.

a perfect solution for that