SLIPCASE
Meaning of SLIPCASE in English
/slip"kays'/ , n.
a box for a book or set of books, open on one side so that the spine is visible.
[ 1920-25; SLIP 1 + CASE 2 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012