zimmer frame(n = noun.artifact) walker, zimmer - a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk;
is a kind of framework

bottle-neck frame, climbing frame, cold frame, embroidery frame, frame, frame buffer, frame in, frame of mind, frame of reference, frame up, inertial frame, inertial reference frame, open frame, picture frame, reference frame, resistance frame, skeletal frame, spinning frame, time frame, water frame, window frame, zimmer