Zimmer frame
noun [ C ] UK trademark uk/ˈzɪm.ə ˌfreɪm/ us/ˈzɪm.ɚ ˌfreɪm/ (UK also walking frame); (US walker)
（老年人等用的）齐默式助行架
a brand name for a metal frame with four legs that you place in front of you and lean on to help you move forward if you have difficulty in walking, for example when old