Infirmarian :: Infirmarian (n.) A person dwelling in, or having charge of, an infirmary, esp. in a monastic institution..
Infirmary :: Infirmary (n.) A hospital, or place where the infirm or sick are lodged and nursed gratuitously, or where out-patients are treated..
Infirmative :: Infirmative (a.) Weakening; annulling, or tending to make void..