hiddenspace
nounUK /ˈhɪd.ən.speɪs/
US /ˈhɪd.ən.speɪs/
A place you cannot see where something is kept.
The little mouse found a hiddenspace behind the bookshelf.
OTHER MEANINGS
2. A gap in a computer or file where secret information is stored.
The program saved the password in a hiddenspace on the disk.
3. An empty area in a room or building that is not easy to notice.
They turned the hiddenspace under the stairs into a tiny playroom.
4. A quiet, private spot where someone can be alone.
She went to her hiddenspace in the garden to read.