pillowcase

[ pil-oh-keys ]
/ ˈpɪl oʊˌkeɪs /

noun

a removable sacklike covering, usually of cotton, drawn over a pillow.

Origin of pillowcase

First recorded in 1715–25; pillow + case1
Also called pil·low·slip [pil-oh-slip] /ˈpɪl oʊˌslɪp/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pillowcase

British Dictionary definitions for pillowcase

pillowcase

pillowslip (ˈpɪləʊˌslɪp)

/ (ˈpɪləʊˌkeɪs) /

noun

a removable washable cover of cotton, linen, nylon, etc, for a pillow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012