pillowbeer UK /ˈpɪləʊˌbɪə/US /ˈpɪloʊˌbɪɚ/ noun1 •(US, Northern-England) A pillowcase.When Zoylus was sicke, he knew not where / Saue his wrought night cap, and laune Pillow-bere: — 1599 formspillowbeers