protospatharius
(ˌprəʊtəʊspəˈθɛərɪəs) , protospathaire
or protospataire
n1. (Government, Politics & Diplomacy) (of the Byzantine empire) a high-ranking official in the imperial guard
2. (Historical Terms) (of the Byzantine empire) a high-ranking official in the imperial guard
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014