D defs.my
Entry 1 sense Webster, 1913

Pillowcase

· Pil·low·case · IPA /ˈpɪloʊˌkeɪs/
01 n. A removable case or covering for a pillow, usually of white linen or cotton cloth.
  1. 1.
    A removable case or covering for a pillow, usually of white linen or cotton cloth.