The Collaborative International Dictionary of English v.0.48:

Camisade \Cam`i*sade"\, Camisado \Cam`i*sa"do\, n. [F. camisade
   a night attack; cf. It. camiciata. See Camis.] [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.
       [1913 Webster]

             Give them a camisado in night season. --Holinshed.
       [1913 Webster]