ZIMMER FRAME

™ / ˈzɪmə freɪm; NAmE ˈzɪmər/ (also informal Zim·mer / ˈzɪmə(r); NAmE /) (both BrE ) ( NAmE walk·er ) noun

a metal frame that people use to help them to walk, for example people who are old or who have sth wrong with their legs