SPAD

/ (spæd) /

n acronym for

signal passed at danger: an incident in which a train goes through a red light
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

Examples from the Web for spad

Word Origin and History for spad

Spad


n.

French biplane fighter of World War I, 1917, from French spad, from acronym of Societé pour Aviation et ses Dérivés.

Online Etymology Dictionary, © 2010 Douglas Harper