pillowcase

noun

pil·​low·​case ˈpi-lə-ˌkās 

-lō-

: a removable covering for a pillow

Examples of pillowcase in a Sentence

Recent Examples on the Web

While there’s no matching shams, their catalog lists many a pillowcase that would make a perfect companion, like this corduroy piece with a ruffled edge and needlepoint embroidery. —Julia Harrison, Architectural Digest, 26 Jan. 2026

And while the material is impressive enough on its own, the green embroidery that’s delicately piped around the edge of the top sheet and pillowcases give it a timeless look fit for a magazine spread. —Alicia Geigel, Southern Living, 21 Jan. 2026

Try something small, like putting on a clean pillowcase or setting out your breakfast prep before bed. —Tarot.com, Hartford Courant, 19 Jan. 2026

Don’t forget to wash your mattress protector, too, along with pillow protectors — the covers that go under your pillowcase. —Cody Godwin, USA Today, 18 Jan. 2026

Word History

First Known Use

1633, in the meaning defined above

Rhymes for pillowcase

• aerospace
• anatase
• anyplace
• commonplace
• cyberspace
• database
• diabase
• diastase
• dnase
• elastase
• fireplace
• hyperspace

Kids Definition

pillowcase

noun

pil·​low·​case ˈpil-ō-ˌkās 

: a removable covering for a pillow