Answer:

sheet

AnswerCrossword Clue
SHEETBlock of stamps
SHEETMattress cover
SHEETPaper unit
SHEETPiece of paper
SHEETGhostly get-up
SHEETKind of lightning
SHEETPane
SHEETImprovised toga
SHEETGhost costume, more or less
SHEETBasic Halloween costume
SHEETPape piece
SHEETPolar formation
SHEETReam fraction
SHEETPart of a bedroom set
SHEETFlat baking pan
SHEETSail
SHEETCookie ..
SHEETBaking aid
SHEETIt's fit for a king or queen
SHEETKind of metal or music
SHEET.. music
SHEETThin piece
SHEETWord with cake or metal
SHEETLinen sale purchase
SHEETGhost-costume need
SHEETHalloween wear
SHEETNo-frills Halloween garb
SHEETQuire member
SHEETBed spread
SHEETQuickie Halloween costume
SHEETPiece of music
SHEETHalloween ghost, essentially
SHEETCookie baker's requirement
SHEETIt may be fitted
SHEETSimple Halloween costume
SHEETBed cover
SHEETIt may be shorted at summer camp
SHEETWord with metal and music
SHEETMakeshift drop cloth, perhaps
SHEETRock or music preceder