Definition of Zimmer frame noun from the Oxford Advanced Learner's Dictionary

Zimmer frame

noun
ˈzɪmə freɪm
 
; ˈzɪmər freɪm
 
(also informal Zimmer
ˈzɪmə(r)
 
; ˈzɪmər
 
)
(both British English) (North American English walker)
 
a metal frame that people use to help them to walk, for example people who are old or who have something wrong with their legs