rollator
n.— «We have assessed the effect of Zimmer, rollator and gutter frames on 6-min walking distance and on arterial oxygenation during exercise in elderly patients with COPD.» —“The effect of walking aids on exercise capacity and oxygenation in elderly patients with chronic obstructive pulmonary disease” by Jamal Roomi, Abebaw M. Yohannes, Martin J. Connolly Age and Ageing (Oxford, Eng.) Nov., 1998. (source: Double-Tongued Dictionary)
Further reading
Advice about college essays from the winner of a top prize for children’s literature: Kelly Barnhill encourages teens to write about experiences that are uniquely their own, from a point of view that is theirs and no one else’s. Plus, why do we say...
While compiling the Oxford English Dictionary, lexicographer James Murray exchanged hundreds of letters a week with authors, advisors, and volunteer researchers. A new collection online lets you eavesdrop on discussions about which words should be...