- (especially in British military use) reconnaissance: a pilot who spent three months on recce.
Also rec·co [rek-oh] /ˈrɛk oʊ/, rec·cy [rek-ee] /ˈrɛk i/.
Origin of recce
First recorded in 1940–45; by shortening and alteration
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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
Word Origin and History for reccies
1941, military slang, short for reconnaissance.
Online Etymology Dictionary, © 2010 Douglas Harper