[noun] [C] old use - (esp. in names) a hospitalLeeds General Infirmarythe Royal Infirmary(US) An infirmary (UK sick/first-aid room) is also a room in a school, college or university where students who are injured or feeling ill can go to a nurse for treatment.I think you'd better take Ryan along to the infirmary.
INFIRMARY
Meaning of INFIRMARY in English
Cambridge English vocab. Кембриджский английский словарь. 2012