-word
-word
n combining form
(preceded by the and an initial letter) a euphemistic way of referring to a word by its first letter because it is considered to be in some way unmentionable by the user: the C-word, meaning cancer.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014