The Collaborative International Dictionary of English v.0.48:

Boniface \Bon"i*face\, n. [From the sleek, jolly landlord in
   Farquhar's comedy of "The Beaux' Stratagem."]
   An innkeeper.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Boniface
    n 1: (Roman Catholic Church) Anglo-Saxon missionary who was sent
         to Frisia and Germany to spread the Christian faith; was
         martyred in Frisia (680-754) [syn: Boniface, Saint
         Boniface, St. Boniface, Winfred, Wynfrith, Apostle
         of Germany]
    2: the owner or manager of an inn [syn: host, innkeeper,
       boniface]