SHEETCASE
Meaning of SHEETCASE in English
/sheet"kays'/ , n.
a covering made of sheet material, esp. one used for a down comforter.
Also, sheetcasing .
[ SHEET 1 + (PILLOW)CASE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012