CATACOMB
catacomb
(noun) an underground tunnel with recesses where bodies were buried (as in ancient Rome)
Source: WordNet® 3.1
Etymology
Noun
catacomb (plural catacombs)
(often plural) An underground system of tunnels and chambers with recesses for graves, used (in former times) as a cemetery; a tunnel system used for burying the dead, as in Paris or Ancient Rome.
Source: Wiktionary
Cat"a*comb, n. Etym: [It. catacomba, fr. L. catacumba perh. from Gr.
Definition: A cave, grotto, or subterraneous place of large extent used for
the burial of the dead; -- commonly in the plural.
Note: The terms is supposed to have been applied originally to the
tombs under the church of St. Sebastain in Rome. The most celebrated
catacombs are those near Rome, on the Appian Way, supposed to have
been the place or refuge and interment of the early Chrictians; those
of Egypt, extending for a wide distance in the vicinity of Cairo; and
those of Paris, in abandoned stone quarries, excavated under a large
portion of the city.
Source: Webster’s Unabridged Dictionary 1913 Edition