Meaning of GERIATRIC in English
[ ˌdʒɛrɪ'atrɪk ]
1》 relating to old people.
2》 informal decrepit or out of date.
■ noun an old person, especially one receiving special care.
1920s: from Gk gēras 'old age' + iatros 'doctor', on the pattern of paediatric .
Geriatric is the normal, semi-official term used to refer to the health care of old people ( a ~ ward ). When used outside such contexts, it typically carries overtones of being decrepit and can therefore be offensive if used with reference to people.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004