From Longman Dictionary of Contemporary Englishpillowcasepil‧low‧case, pillow case /ˈpɪləʊkeɪs $ -loʊ-/ noun [countable] DHa cloth cover for a pillow
Examples from the Corpus
pillowcase• A pair of sheets cost 12s.0d. and a pillowcase 1s.6d.• It was a reporter from the local paper, inquiring why Jones had hung a pillowcase out her window.• Astor limed oak clock Bed linen Avignon White double duvet cover, from £69.99; filled pillowcase.• He fingered the hem of her pillowcase.• He pressed his hand to his pillowcase.• Pa began taking our family wash over to Hambledown every Saturday evening in pillowcases.• They handcuffed their terrified victims and put pillowcases over their heads.• I put pillowcases over the pictures. 