The Collaborative International Dictionary
Abditory
Abditory \Ab"di*to*ry\, n. [L. abditorium.]
A place for hiding or preserving articles of value.
--Cowell.
Wiktionary
abditory
n. (context rare English) A concealed location used for storage or to hide items. (mid 17th century)(reference-book editor=Brown, Lesley title=The Shorter Oxford English Dictionary origyear=1933 edition=5th year=2003 publisher=Oxford University Press location=Oxford, UK isbn=978-0-19-860575-7 pages=3)