Fid. Def.
ABBR =
Fidei Defensor (=
Defender of the Faith) →
Defensor m de la FeCollins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005