also: ピロケース
noun
pillowcase
A cloth cover for a pillow. Synonymous with 枕カバー, but ピローケース is a common loanword used in everyday contexts.
See also: 枕カバー
新しいピローケースを買った。
I bought a new pillowcase.
ピローケースを洗濯する。
I wash the pillowcase.
枕カバー is a more native Japanese compound with the same meaning. Both are common, but ピローケース is slightly more casual and Western-feeling.
Loanword from English 'pillowcase'. The shortened form ピロケース is a common Japanese contraction.