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

Easter sepulcher alveolation alveolus ambry antrum apse armpit baptistery barrow basement basin beehive tomb blindstory bone house booth bowl box box grave burial burial chamber burial mound catacomb catacombs cave cavern cavity cell cellar cellule cenotaph chamber chancel charnel house choir cist cist grave cloisters compartment concave concavity confessional confessionary crater crib cromlech cup deep six depression diaconicon diaconicum dip dokhma dolmen enclosed space fold follicle funnel chest grave grotto hold hole hollow hollow shell house of death lacuna last home long home low green tent low house manger mastaba mausoleum monstrance mummy chamber narrow house nave ossuarium ossuary passage grave pew pit pocket porch presbytery punch bowl pyramid reliquary resting place rood loft rood stair rood tower room sacrarium sacristy scoop sepulcher shaft grave shell shrine sink sinus socket stall stupa tomb tope tower of silence transept triforium trough tumulus vault vestry vug