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

The temperature-regulating, hypoallergenic pillowcases are designed to be gentle on skin and hair, while a smart zipper closure helps keep them securely in place. — ABC News, 5 Sep. 2026

Avoid chlorine bleach as your first choice of remedy for yellowed pillowcases. — Caroline Lubinsky, Martha Stewart, 30 Aug. 2026

Available in a range of colors and prints, the Essential Fit Cotton Sheet Set includes flat and fitted sheets and two pillowcases in full-size sets and larger. — V Brand Stories, Forbes.com, 28 Aug. 2026

Aside from support and alignment issues, dirty pillows can also cause the same kind of skin irritations that arise from pillowcases that have not been washed. — Kait Hanson, Southern Living, 22 Aug. 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