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Webster 1913 Edition
Camisado
{ 
Camˊi-sade′
,Camˊi-sa′do
, }Noun.
 [Obs.] 
(Mil.) 
(a) 
A shirt worn by soldiers over their uniform, in order to be able to recognize one another in a night attack. 
(b) 
An attack by surprise by soldiers wearing the camisado. 
Give them a 
camisado 
in night season. Holinshed.