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F.D.

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  1. Fidei Defensor.
  2. fire department.
  3. focal distance.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for fd

FD

abbreviation for
  1. Fidei Defensor
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Word Origin

Latin: Defender of the Faith
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012