hospitaller
(ˈhɒspɪtələ) or hospitaler
n (Historical Terms) a person, esp a member of certain religious orders, dedicated to hospital work, ambulance services, etc
[C14: from Old French hospitalier, from Medieval Latin hospitālārius, from hospitāle hospice; see hospital]
Hospitaller
(ˈhɒspɪtələ) or Hospitaler
n (Heraldry) a member of the order of the Knights Hospitallers
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014