warison (?wær?s?n) n (Military) (esp formerly) a bugle note used as an order to a military force to attack[C13: from Old Northern French, from warir to protect, of Germanic origin; compare Old English warian to defend]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014war?i?son (?wær ? s?n) n. a bugle call to assault. [1805; Walter Scott’s misinterpretation of now obsolete waryson reward, wealth, Middle English